70030044 has 36 divisors (see below), whose sum is σ = 202309744. Its totient is φ = 20008512.

The previous prime is 70030033. The next prime is 70030063. The reversal of 70030044 is 44003007.

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

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 70029999 and 70030026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138697 + ... + 139200.

Almost surely, 2^70030044 is an apocalyptic number.

It is an amenable number.

70030044 is an abundant number, since it is smaller than the sum of its proper divisors (132279700).

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

70030044 is a wasteful number, since it uses less digits than its factorization.

70030044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277914 (or 277909 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 70030044 is about 8368.3955451448. The cubic root of 70030044 is about 412.1874834024.

The spelling of 70030044 in words is "seventy million, thirty thousand, forty-four".