72708862 has 4 divisors (see below), whose sum is σ = 109063296. Its totient is φ = 36354430.

The previous prime is 72708841. The next prime is 72708863. The reversal of 72708862 is 26880727.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×72708862² = 10573157226670088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72708863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18177214 + ... + 18177217.

It is an arithmetic number, because the mean of its divisors is an integer number (27265824).

Almost surely, 2^72708862 is an apocalyptic number.

72708862 is a deficient number, since it is larger than the sum of its proper divisors (36354434).

72708862 is a wasteful number, since it uses less digits than its factorization.

72708862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36354433.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 72708862 is about 8526.9491613355. The cubic root of 72708862 is about 417.3775791761.

The spelling of 72708862 in words is "seventy-two million, seven hundred eight thousand, eight hundred sixty-two".