7156972 has 12 divisors (see below), whose sum is σ = 12791520. Its totient is φ = 3502256.

The previous prime is 7156969. The next prime is 7156973. The reversal of 7156972 is 2796517.

It is not an unprimeable number, because it can be changed into a prime (7156973) 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 3 ways as a sum of consecutive naturals, for example, 18847 + ... + 19222.

It is an arithmetic number, because the mean of its divisors is an integer number (1065960).

Almost surely, 2^7156972 is an apocalyptic number.

It is an amenable number.

7156972 is a deficient number, since it is larger than the sum of its proper divisors (5634548).

7156972 is a wasteful number, since it uses less digits than its factorization.

7156972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38120 (or 38118 counting only the distinct ones).

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

The square root of 7156972 is about 2675.2517638533. The cubic root of 7156972 is about 192.7124499911.

It can be divided in two parts, 7156 and 972, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 7156972 in words is "seven million, one hundred fifty-six thousand, nine hundred seventy-two".