748572550 has 36 divisors (see below), whose sum is σ = 1530441108. Its totient is φ = 272206000.

The previous prime is 748572533. The next prime is 748572551. The reversal of 748572550 is 55275847.

It is a super-2 number, since 2×748572550² = 1120721725227005000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 748572497 and 748572506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748572551) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 55816 + ... + 67915.

It is an arithmetic number, because the mean of its divisors is an integer number (42512253).

Almost surely, 2^748572550 is an apocalyptic number.

748572550 is an abundant number, since it is smaller than the sum of its proper divisors (781868558).

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

748572550 is a wasteful number, since it uses less digits than its factorization.

748572550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123765 (or 123749 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 43.

The square root of 748572550 is about 27360.0539107656. The cubic root of 748572550 is about 907.9835194988.

The spelling of 748572550 in words is "seven hundred forty-eight million, five hundred seventy-two thousand, five hundred fifty".