72693489 has 16 divisors (see below), whose sum is σ = 106084800. Its totient is φ = 43911360.

The previous prime is 72693469. The next prime is 72693499. The reversal of 72693489 is 98439627.

It is not a de Polignac number, because 72693489 - 2¹¹ = 72691441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72693469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6987 + ... + 13935.

It is an arithmetic number, because the mean of its divisors is an integer number (6630300).

Almost surely, 2^72693489 is an apocalyptic number.

It is an amenable number.

72693489 is a deficient number, since it is larger than the sum of its proper divisors (33391311).

72693489 is a wasteful number, since it uses less digits than its factorization.

72693489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7280.

The product of its digits is 653184, while the sum is 48.

The square root of 72693489 is about 8526.0476775585. The cubic root of 72693489 is about 417.3481614059.

The spelling of 72693489 in words is "seventy-two million, six hundred ninety-three thousand, four hundred eighty-nine".