70907232 has 96 divisors (see below), whose sum is σ = 205752960. Its totient is φ = 21201920.

The previous prime is 70907231. The next prime is 70907257. The reversal of 70907232 is 23270907.

It is a tau number, because it is divible by the number of its divisors (96).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 70907232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70907231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87244 + ... + 88052.

It is an arithmetic number, because the mean of its divisors is an integer number (2143260).

Almost surely, 2^70907232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70907232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102876480).

70907232 is an abundant number, since it is smaller than the sum of its proper divisors (134845728).

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

70907232 is a wasteful number, since it uses less digits than its factorization.

70907232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 70907232 is about 8420.6432058365. The cubic root of 70907232 is about 413.9013510901.

The spelling of 70907232 in words is "seventy million, nine hundred seven thousand, two hundred thirty-two".