72374156 has 6 divisors (see below), whose sum is σ = 126654780. Its totient is φ = 36187076.

The previous prime is 72374153. The next prime is 72374167. The reversal of 72374156 is 65147327.

It is not an unprimeable number, because it can be changed into a prime (72374153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9046766 + ... + 9046773.

It is an arithmetic number, because the mean of its divisors is an integer number (21109130).

Almost surely, 2^72374156 is an apocalyptic number.

It is an amenable number.

72374156 is a deficient number, since it is larger than the sum of its proper divisors (54280624).

72374156 is a wasteful number, since it uses less digits than its factorization.

72374156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18093543 (or 18093541 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 72374156 is about 8507.3001592750. The cubic root of 72374156 is about 416.7361457115.

The spelling of 72374156 in words is "seventy-two million, three hundred seventy-four thousand, one hundred fifty-six".