70016432 has 40 divisors (see below), whose sum is σ = 140822832. Its totient is φ = 33696000.

The previous prime is 70016431. The next prime is 70016449. The reversal of 70016432 is 23461007.

It is a junction number, because it is equal to n+sod(n) for n = 70016398 and 70016407.

It is not an unprimeable number, because it can be changed into a prime (70016431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59207 + ... + 60377.

Almost surely, 2^70016432 is an apocalyptic number.

It is an amenable number.

70016432 is an abundant number, since it is smaller than the sum of its proper divisors (70806400).

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

70016432 is a wasteful number, since it uses less digits than its factorization.

70016432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317 (or 1311 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 70016432 is about 8367.5822075436. The cubic root of 70016432 is about 412.1607755341.

Adding to 70016432 its reverse (23461007), we get a palindrome (93477439).

The spelling of 70016432 in words is "seventy million, sixteen thousand, four hundred thirty-two".