70387412 has 48 divisors (see below), whose sum is σ = 134991360. Its totient is φ = 31987200.

The previous prime is 70387399. The next prime is 70387433. The reversal of 70387412 is 21478307.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294389 + ... + 294627.

It is an arithmetic number, because the mean of its divisors is an integer number (2812320).

Almost surely, 2^70387412 is an apocalyptic number.

It is an amenable number.

70387412 is a deficient number, since it is larger than the sum of its proper divisors (64603948).

70387412 is a wasteful number, since it uses less digits than its factorization.

70387412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 70387412 is about 8389.7206151337. The cubic root of 70387412 is about 412.8874342192.

The spelling of 70387412 in words is "seventy million, three hundred eighty-seven thousand, four hundred twelve".