156970072 has 16 divisors (see below), whose sum is σ = 336364560. Its totient is φ = 67272864.

The previous prime is 156970063. The next prime is 156970091. The reversal of 156970072 is 270079651.

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 3 ways as a sum of consecutive naturals, for example, 1401463 + ... + 1401574.

It is an arithmetic number, because the mean of its divisors is an integer number (21022785).

Almost surely, 2^156970072 is an apocalyptic number.

It is an amenable number.

156970072 is an abundant number, since it is smaller than the sum of its proper divisors (179394488).

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

156970072 is a wasteful number, since it uses less digits than its factorization.

156970072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803050 (or 2803046 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 156970072 is about 12528.7697720087. The cubic root of 156970072 is about 539.4347904119.

The spelling of 156970072 in words is "one hundred fifty-six million, nine hundred seventy thousand, seventy-two".