72417650 has 24 divisors (see below), whose sum is σ = 135419904. Its totient is φ = 28811600.

The previous prime is 72417649. The next prime is 72417659. The reversal of 72417650 is 5671427.

It is not an unprimeable number, because it can be changed into a prime (72417659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5759 + ... + 13341.

It is an arithmetic number, because the mean of its divisors is an integer number (5642496).

Almost surely, 2^72417650 is an apocalyptic number.

72417650 is a deficient number, since it is larger than the sum of its proper divisors (63002254).

72417650 is a wasteful number, since it uses less digits than its factorization.

72417650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7786 (or 7781 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 72417650 is about 8509.8560504864. The cubic root of 72417650 is about 416.8196096312.

The spelling of 72417650 in words is "seventy-two million, four hundred seventeen thousand, six hundred fifty".