74232490 has 8 divisors (see below), whose sum is σ = 133618500. Its totient is φ = 29692992.

The previous prime is 74232467. The next prime is 74232493. The reversal of 74232490 is 9423247.

It can be written as a sum of positive squares in 2 ways, for example, as 62583921 + 11648569 = 7911^2 + 3413^2 .

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 (74232493) 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 3 ways as a sum of consecutive naturals, for example, 3711615 + ... + 3711634.

Almost surely, 2^74232490 is an apocalyptic number.

74232490 is a deficient number, since it is larger than the sum of its proper divisors (59386010).

74232490 is a wasteful number, since it uses less digits than its factorization.

74232490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7423256.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 74232490 is about 8615.8278766466. The cubic root of 74232490 is about 420.2728574663.

The spelling of 74232490 in words is "seventy-four million, two hundred thirty-two thousand, four hundred ninety".