72677475 has 36 divisors (see below), whose sum is σ = 140192416. Its totient is φ = 35778240.

The previous prime is 72677471. The next prime is 72677477. The reversal of 72677475 is 57477627.

It is not a de Polignac number, because 72677475 - 2² = 72677471 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 72677475.

It is not an unprimeable number, because it can be changed into a prime (72677471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9499 + ... + 15348.

Almost surely, 2^72677475 is an apocalyptic number.

72677475 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

72677475 is a deficient number, since it is larger than the sum of its proper divisors (67514941).

72677475 is a wasteful number, since it uses less digits than its factorization.

72677475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24876 (or 24868 counting only the distinct ones).

The product of its digits is 576240, while the sum is 45.

The square root of 72677475 is about 8525.1085037083. The cubic root of 72677475 is about 417.3175126074.

The spelling of 72677475 in words is "seventy-two million, six hundred seventy-seven thousand, four hundred seventy-five".