72674147 has 16 divisors (see below), whose sum is σ = 89718720. Its totient is φ = 57324672.

The previous prime is 72674143. The next prime is 72674149. The reversal of 72674147 is 74147627.

It is a cyclic number.

It is not a de Polignac number, because 72674147 - 2² = 72674143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72674147.

It is not an unprimeable number, because it can be changed into a prime (72674141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34373 + ... + 36425.

It is an arithmetic number, because the mean of its divisors is an integer number (5607420).

Almost surely, 2^72674147 is an apocalyptic number.

72674147 is a deficient number, since it is larger than the sum of its proper divisors (17044573).

72674147 is a wasteful number, since it uses less digits than its factorization.

72674147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462.

The product of its digits is 65856, while the sum is 38.

The square root of 72674147 is about 8524.9133133423. The cubic root of 72674147 is about 417.3111426655.

The spelling of 72674147 in words is "seventy-two million, six hundred seventy-four thousand, one hundred forty-seven".