42658704 has 160 divisors (see below), whose sum is σ = 137134080. Its totient is φ = 12585600.

The previous prime is 42658673. The next prime is 42658723. The reversal of 42658704 is 40785624.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223249 + ... + 223439.

It is an arithmetic number, because the mean of its divisors is an integer number (857088).

Almost surely, 2^42658704 is an apocalyptic number.

42658704 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42658704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68567040).

42658704 is an abundant number, since it is smaller than the sum of its proper divisors (94475376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42658704 is a wasteful number, since it uses less digits than its factorization.

42658704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 42658704 is about 6531.3631042838. The cubic root of 42658704 is about 349.4104469482.

Subtracting from 42658704 its reverse (40785624), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 42658704 in words is "forty-two million, six hundred fifty-eight thousand, seven hundred four".