72969662 has 16 divisors (see below), whose sum is σ = 116646912. Its totient is φ = 34155000.

The previous prime is 72969653. The next prime is 72969683. The reversal of 72969662 is 26696927.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14714 + ... + 19037.

It is an arithmetic number, because the mean of its divisors is an integer number (7290432).

Almost surely, 2^72969662 is an apocalyptic number.

72969662 is a deficient number, since it is larger than the sum of its proper divisors (43677250).

72969662 is a wasteful number, since it uses less digits than its factorization.

72969662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33823.

The product of its digits is 489888, while the sum is 47.

The square root of 72969662 is about 8542.2281636585. The cubic root of 72969662 is about 417.8760153636.

The spelling of 72969662 in words is "seventy-two million, nine hundred sixty-nine thousand, six hundred sixty-two".