73502490 has 16 divisors (see below), whose sum is σ = 176406048. Its totient is φ = 19600656.

The previous prime is 73502489. The next prime is 73502497. The reversal of 73502490 is 9420537.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2450083 = 73502490 / (7 + 3 + 5 + 0 + 2 + 4 + 9 + 0).

It is not an unprimeable number, because it can be changed into a prime (73502497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1225012 + ... + 1225071.

It is an arithmetic number, because the mean of its divisors is an integer number (11025378).

Almost surely, 2^73502490 is an apocalyptic number.

73502490 is an abundant number, since it is smaller than the sum of its proper divisors (102903558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73502490 is a wasteful number, since it uses less digits than its factorization.

73502490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450093.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 73502490 is about 8573.3593182603. The cubic root of 73502490 is about 418.8906666351.

The spelling of 73502490 in words is "seventy-three million, five hundred two thousand, four hundred ninety".