70121604 has 24 divisors (see below), whose sum is σ = 186991168. Its totient is φ = 20034720.

The previous prime is 70121599. The next prime is 70121627. The reversal of 70121604 is 40612107.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 417307 + ... + 417474.

Almost surely, 2^70121604 is an apocalyptic number.

It is an amenable number.

70121604 is an abundant number, since it is smaller than the sum of its proper divisors (116869564).

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

70121604 is a wasteful number, since it uses less digits than its factorization.

70121604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834795 (or 834793 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 70121604 is about 8373.8643409121. The cubic root of 70121604 is about 412.3670418140.

The spelling of 70121604 in words is "seventy million, one hundred twenty-one thousand, six hundred four".