72074577 has 24 divisors (see below), whose sum is σ = 103888800. Its totient is φ = 44425216.

The previous prime is 72074567. The next prime is 72074591. The reversal of 72074577 is 77547027.

It is not a de Polignac number, because 72074577 - 2⁷ = 72074449 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (72074507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50449 + ... + 51857.

It is an arithmetic number, because the mean of its divisors is an integer number (4328700).

Almost surely, 2^72074577 is an apocalyptic number.

It is an amenable number.

72074577 is a deficient number, since it is larger than the sum of its proper divisors (31814223).

72074577 is a wasteful number, since it uses less digits than its factorization.

72074577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505 (or 1488 counting only the distinct ones).

The product of its (nonzero) digits is 96040, while the sum is 39.

The square root of 72074577 is about 8489.6747287514. The cubic root of 72074577 is about 416.1603506127.

The spelling of 72074577 in words is "seventy-two million, seventy-four thousand, five hundred seventy-seven".