70315432 has 32 divisors (see below), whose sum is σ = 146196000. Its totient is φ = 31435200.

The previous prime is 70315411. The next prime is 70315463. The reversal of 70315432 is 23451307.

It is a junction number, because it is equal to n+sod(n) for n = 70315397 and 70315406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1182 + ... + 11917.

It is an arithmetic number, because the mean of its divisors is an integer number (4568625).

Almost surely, 2^70315432 is an apocalyptic number.

It is an amenable number.

70315432 is an abundant number, since it is smaller than the sum of its proper divisors (75880568).

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

70315432 is a wasteful number, since it uses less digits than its factorization.

70315432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13177 (or 13173 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 70315432 is about 8385.4297445033. The cubic root of 70315432 is about 412.7466430695.

Adding to 70315432 its reverse (23451307), we get a palindrome (93766739).

The spelling of 70315432 in words is "seventy million, three hundred fifteen thousand, four hundred thirty-two".