74332990 has 8 divisors (see below), whose sum is σ = 133799400. Its totient is φ = 29733192.

The previous prime is 74332961. The next prime is 74333029. The reversal of 74332990 is 9923347.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3716640 + ... + 3716659.

It is an arithmetic number, because the mean of its divisors is an integer number (16724925).

Almost surely, 2^74332990 is an apocalyptic number.

74332990 is a deficient number, since it is larger than the sum of its proper divisors (59466410).

74332990 is a wasteful number, since it uses less digits than its factorization.

74332990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7433306.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 74332990 is about 8621.6581931784. The cubic root of 74332990 is about 420.4624347228.

It can be divided in two parts, 743 and 32990, that added together give a palindrome (33733).

The spelling of 74332990 in words is "seventy-four million, three hundred thirty-two thousand, nine hundred ninety".