72650077 has 8 divisors (see below), whose sum is σ = 76662720. Its totient is φ = 68708640.

The previous prime is 72650069. The next prime is 72650087. The reversal of 72650077 is 77005627.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72650077 - 2³ = 72650069 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 (72650057) 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 7 ways as a sum of consecutive naturals, for example, 15699 + ... + 19792.

It is an arithmetic number, because the mean of its divisors is an integer number (9582840).

Almost surely, 2^72650077 is an apocalyptic number.

It is an amenable number.

72650077 is a deficient number, since it is larger than the sum of its proper divisors (4012643).

72650077 is a wasteful number, since it uses less digits than its factorization.

72650077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35603.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 72650077 is about 8523.5014518682. The cubic root of 72650077 is about 417.2650658107.

The spelling of 72650077 in words is "seventy-two million, six hundred fifty thousand, seventy-seven".