72951650 has 24 divisors (see below), whose sum is σ = 138849744. Its totient is φ = 28501200.

The previous prime is 72951647. The next prime is 72951667. The reversal of 72951650 is 5615927.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72951650.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14816 + ... + 19115.

It is an arithmetic number, because the mean of its divisors is an integer number (5785406).

Almost surely, 2^72951650 is an apocalyptic number.

72951650 is a deficient number, since it is larger than the sum of its proper divisors (65898094).

72951650 is a wasteful number, since it uses less digits than its factorization.

72951650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33986 (or 33981 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 72951650 is about 8541.1738069190. The cubic root of 72951650 is about 417.8416293737.

The spelling of 72951650 in words is "seventy-two million, nine hundred fifty-one thousand, six hundred fifty".