72756374 has 4 divisors (see below), whose sum is σ = 109134564. Its totient is φ = 36378186.

The previous prime is 72756373. The next prime is 72756391. The reversal of 72756374 is 47365727.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72756373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18189092 + ... + 18189095.

It is an arithmetic number, because the mean of its divisors is an integer number (27283641).

Almost surely, 2^72756374 is an apocalyptic number.

72756374 is a deficient number, since it is larger than the sum of its proper divisors (36378190).

72756374 is a wasteful number, since it uses less digits than its factorization.

72756374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36378189.

The product of its digits is 246960, while the sum is 41.

The square root of 72756374 is about 8529.7346969293. The cubic root of 72756374 is about 417.4684719280.

The spelling of 72756374 in words is "seventy-two million, seven hundred fifty-six thousand, three hundred seventy-four".