72373610 has 16 divisors (see below), whose sum is σ = 133450632. Its totient is φ = 28243200.

The previous prime is 72373597. The next prime is 72373619. The reversal of 72373610 is 1637327.

It can be written as a sum of positive squares in 4 ways, for example, as 62457409 + 9916201 = 7903^2 + 3149^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72373619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87851 + ... + 88670.

Almost surely, 2^72373610 is an apocalyptic number.

72373610 is a deficient number, since it is larger than the sum of its proper divisors (61077022).

72373610 is a wasteful number, since it uses less digits than its factorization.

72373610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176569.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 72373610 is about 8507.2680691277. The cubic root of 72373610 is about 416.7350977384.

The spelling of 72373610 in words is "seventy-two million, three hundred seventy-three thousand, six hundred ten".