70046172 has 36 divisors (see below), whose sum is σ = 202356336. Its totient is φ = 20013120.

The previous prime is 70046149. The next prime is 70046173. The reversal of 70046172 is 27164007.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70046173) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 138729 + ... + 139232.

Almost surely, 2^70046172 is an apocalyptic number.

It is an amenable number.

70046172 is an abundant number, since it is smaller than the sum of its proper divisors (132310164).

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

70046172 is a wasteful number, since it uses less digits than its factorization.

70046172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277978 (or 277973 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 70046172 is about 8369.3591152489. The cubic root of 70046172 is about 412.2191233914.

The spelling of 70046172 in words is "seventy million, forty-six thousand, one hundred seventy-two".