72465290 has 16 divisors (see below), whose sum is σ = 134645760. Its totient is φ = 28050960.

The previous prime is 72465233. The next prime is 72465299. The reversal of 72465290 is 9256427.

It is a self number, because there is not a number n which added to its sum of digits gives 72465290.

It is not an unprimeable number, because it can be changed into a prime (72465299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116570 + ... + 117189.

It is an arithmetic number, because the mean of its divisors is an integer number (8415360).

Almost surely, 2^72465290 is an apocalyptic number.

72465290 is a deficient number, since it is larger than the sum of its proper divisors (62180470).

72465290 is a wasteful number, since it uses less digits than its factorization.

72465290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233797.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 72465290 is about 8512.6546975664. The cubic root of 72465290 is about 416.9109912829.

The spelling of 72465290 in words is "seventy-two million, four hundred sixty-five thousand, two hundred ninety".