70372542 has 32 divisors (see below), whose sum is σ = 152939520. Its totient is φ = 21504960.

The previous prime is 70372541. The next prime is 70372559. The reversal of 70372542 is 24527307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70372541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6423 + ... + 13490.

It is an arithmetic number, because the mean of its divisors is an integer number (4779360).

Almost surely, 2^70372542 is an apocalyptic number.

70372542 is an abundant number, since it is smaller than the sum of its proper divisors (82566978).

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

70372542 is a wasteful number, since it uses less digits than its factorization.

70372542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19968.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 70372542 is about 8388.8343647971. The cubic root of 70372542 is about 412.8583567256.

Adding to 70372542 its reverse (24527307), we get a palindrome (94899849).

The spelling of 70372542 in words is "seventy million, three hundred seventy-two thousand, five hundred forty-two".