72602047 has 4 divisors (see below), whose sum is σ = 82973776. Its totient is φ = 62230320.

The previous prime is 72602041. The next prime is 72602069. The reversal of 72602047 is 74020627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74020627 = 1129 ⋅65563.

It is a cyclic number.

It is not a de Polignac number, because 72602047 - 2²³ = 64213439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72602041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5185854 + ... + 5185867.

It is an arithmetic number, because the mean of its divisors is an integer number (20743444).

Almost surely, 2^72602047 is an apocalyptic number.

72602047 is a deficient number, since it is larger than the sum of its proper divisors (10371729).

72602047 is a wasteful number, since it uses less digits than its factorization.

72602047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10371728.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 72602047 is about 8520.6834819749. The cubic root of 72602047 is about 417.1730922479.

The spelling of 72602047 in words is "seventy-two million, six hundred two thousand, forty-seven".