70388832 has 96 divisors (see below), whose sum is σ = 195955200. Its totient is φ = 22077440.

The previous prime is 70388831. The next prime is 70388833. The reversal of 70388832 is 23888307.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70388831) and next prime (70388833).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70388831) 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, 156544 + ... + 156992.

It is an arithmetic number, because the mean of its divisors is an integer number (2041200).

Almost surely, 2^70388832 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 70388832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97977600).

70388832 is an abundant number, since it is smaller than the sum of its proper divisors (125566368).

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

70388832 is a wasteful number, since it uses less digits than its factorization.

70388832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 70388832 is about 8389.8052420780. The cubic root of 70388832 is about 412.8902107394.

The spelling of 70388832 in words is "seventy million, three hundred eighty-eight thousand, eight hundred thirty-two".