74638272630 has 32 divisors (see below), whose sum is σ = 179219255904. Its totient is φ = 19893828096.

The previous prime is 74638272587. The next prime is 74638272673. The reversal of 74638272630 is 3627283647.

It is an interprime number because it is at equal distance from previous prime (74638272587) and next prime (74638272673).

It is a self number, because there is not a number n which added to its sum of digits gives 74638272630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544339 + ... + 667518.

It is an arithmetic number, because the mean of its divisors is an integer number (5600601747).

Almost surely, 2^74638272630 is an apocalyptic number.

74638272630 is an abundant number, since it is smaller than the sum of its proper divisors (104580983274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74638272630 is a wasteful number, since it uses less digits than its factorization.

74638272630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213920.

The product of its (nonzero) digits is 2032128, while the sum is 48.

The spelling of 74638272630 in words is "seventy-four billion, six hundred thirty-eight million, two hundred seventy-two thousand, six hundred thirty".