74963642 has 32 divisors (see below), whose sum is σ = 132378624. Its totient is φ = 31507200.

The previous prime is 74963641. The next prime is 74963657. The reversal of 74963642 is 24636947.

It is a self number, because there is not a number n which added to its sum of digits gives 74963642.

It is not an unprimeable number, because it can be changed into a prime (74963641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10967 + ... + 16437.

It is an arithmetic number, because the mean of its divisors is an integer number (4136832).

Almost surely, 2^74963642 is an apocalyptic number.

74963642 is a deficient number, since it is larger than the sum of its proper divisors (57414982).

74963642 is a wasteful number, since it uses less digits than its factorization.

74963642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5534.

The product of its digits is 217728, while the sum is 41.

The square root of 74963642 is about 8658.1546532734. The cubic root of 74963642 is about 421.6481760254.

The spelling of 74963642 in words is "seventy-four million, nine hundred sixty-three thousand, six hundred forty-two".