70072444 has 48 divisors (see below), whose sum is σ = 141261120. Its totient is φ = 30159360.

The previous prime is 70072417. The next prime is 70072463. The reversal of 70072444 is 44427007.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 48322 + ... + 49750.

It is an arithmetic number, because the mean of its divisors is an integer number (2942940).

Almost surely, 2^70072444 is an apocalyptic number.

It is an amenable number.

70072444 is an abundant number, since it is smaller than the sum of its proper divisors (71188676).

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

70072444 is a wasteful number, since it uses less digits than its factorization.

70072444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510 (or 1508 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 70072444 is about 8370.9285028604. The cubic root of 70072444 is about 412.2706535313.

The spelling of 70072444 in words is "seventy million, seventy-two thousand, four hundred forty-four".