72697893 has 8 divisors (see below), whose sum is σ = 97573056. Its totient is φ = 48144000.

The previous prime is 72697843. The next prime is 72697897. The reversal of 72697893 is 39879627.

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

It is not a de Polignac number, because 72697893 - 2⁶ = 72697829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72697897) 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, 79788 + ... + 80693.

It is an arithmetic number, because the mean of its divisors is an integer number (12196632).

Almost surely, 2^72697893 is an apocalyptic number.

It is an amenable number.

72697893 is a deficient number, since it is larger than the sum of its proper divisors (24875163).

72697893 is a wasteful number, since it uses less digits than its factorization.

72697893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160635.

The product of its digits is 1143072, while the sum is 51.

The square root of 72697893 is about 8526.3059410275. The cubic root of 72697893 is about 417.3565893234.

The spelling of 72697893 in words is "seventy-two million, six hundred ninety-seven thousand, eight hundred ninety-three".