72776675 has 12 divisors (see below), whose sum is σ = 91176456. Its totient is φ = 57619200.

The previous prime is 72776651. The next prime is 72776699. The reversal of 72776675 is 57667727.

It is an interprime number because it is at equal distance from previous prime (72776651) and next prime (72776699).

It is not a de Polignac number, because 72776675 - 2⁶ = 72776611 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12581 + ... + 17430.

It is an arithmetic number, because the mean of its divisors is an integer number (7598038).

Almost surely, 2^72776675 is an apocalyptic number.

72776675 is a deficient number, since it is larger than the sum of its proper divisors (18399781).

72776675 is a wasteful number, since it uses less digits than its factorization.

72776675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30118 (or 30113 counting only the distinct ones).

The product of its digits is 864360, while the sum is 47.

The square root of 72776675 is about 8530.9246274950. The cubic root of 72776675 is about 417.5072966562.

It can be divided in two parts, 72 and 776675, that multiplied together give a triangular number (55920600 = T₁₀₅₇₅).

The spelling of 72776675 in words is "seventy-two million, seven hundred seventy-six thousand, six hundred seventy-five".