72627789 has 8 divisors (see below), whose sum is σ = 104286112. Its totient is φ = 44694000.

The previous prime is 72627733. The next prime is 72627809. The reversal of 72627789 is 98772627.

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

It is not a de Polignac number, because 72627789 - 2⁷ = 72627661 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 (72627719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 931087 + ... + 931164.

It is an arithmetic number, because the mean of its divisors is an integer number (13035764).

Almost surely, 2^72627789 is an apocalyptic number.

It is an amenable number.

72627789 is a deficient number, since it is larger than the sum of its proper divisors (31658323).

72627789 is a wasteful number, since it uses less digits than its factorization.

72627789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862267.

The product of its digits is 592704, while the sum is 48.

The square root of 72627789 is about 8522.1939076742. The cubic root of 72627789 is about 417.2223911370. Note that the first 3 decimals are identical.

It can be divided in two parts, 7262 and 7789, that added together give a palindrome (15051).

The spelling of 72627789 in words is "seventy-two million, six hundred twenty-seven thousand, seven hundred eighty-nine".