74451062990 has 32 divisors (see below), whose sum is σ = 136888427520. Its totient is φ = 29141433504.

The previous prime is 74451062971. The next prime is 74451062999. The reversal of 74451062990 is 9926015447.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74451062999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3381959 + ... + 3403901.

It is an arithmetic number, because the mean of its divisors is an integer number (4277763360).

Almost surely, 2^74451062990 is an apocalyptic number.

74451062990 is a deficient number, since it is larger than the sum of its proper divisors (62437364530).

74451062990 is a wasteful number, since it uses less digits than its factorization.

74451062990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29216.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 74451062990 in words is "seventy-four billion, four hundred fifty-one million, sixty-two thousand, nine hundred ninety".