73152490 has 8 divisors (see below), whose sum is σ = 131674500. Its totient is φ = 29260992.

The previous prime is 73152473. The next prime is 73152491. The reversal of 73152490 is 9425137.

It can be written as a sum of positive squares in 2 ways, for example, as 62110161 + 11042329 = 7881^2 + 3323^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (73152491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3657615 + ... + 3657634.

Almost surely, 2^73152490 is an apocalyptic number.

73152490 is a deficient number, since it is larger than the sum of its proper divisors (58522010).

73152490 is a wasteful number, since it uses less digits than its factorization.

73152490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7315256.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 73152490 is about 8552.9228922047. The cubic root of 73152490 is about 418.2247252045.

The spelling of 73152490 in words is "seventy-three million, one hundred fifty-two thousand, four hundred ninety".