70900432 has 20 divisors (see below), whose sum is σ = 139963140. Its totient is φ = 34780928.

The previous prime is 70900411. The next prime is 70900451. The reversal of 70900432 is 23400907.

It can be written as a sum of positive squares in 2 ways, for example, as 35569296 + 35331136 = 5964^2 + 5944^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70900397 and 70900406.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 40957 + ... + 42652.

It is an arithmetic number, because the mean of its divisors is an integer number (6998157).

Almost surely, 2^70900432 is an apocalyptic number.

It is an amenable number.

70900432 is a deficient number, since it is larger than the sum of its proper divisors (69062708).

70900432 is a wasteful number, since it uses less digits than its factorization.

70900432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83670 (or 83664 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 70900432 is about 8420.2394265246. The cubic root of 70900432 is about 413.8881196275. Note that the first 3 decimals are identical.

The spelling of 70900432 in words is "seventy million, nine hundred thousand, four hundred thirty-two".