74078782632 has 80 divisors (see below), whose sum is σ = 207561330900. Its totient is φ = 24684341760.

The previous prime is 74078782607. The next prime is 74078782669. The reversal of 74078782632 is 23628787047.

It can be written as a sum of positive squares in 2 ways, for example, as 73221112836 + 857669796 = 270594^2 + 29286^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2004094 + ... + 2040722.

Almost surely, 2^74078782632 is an apocalyptic number.

74078782632 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

74078782632 is an abundant number, since it is smaller than the sum of its proper divisors (133482548268).

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

74078782632 is a wasteful number, since it uses less digits than its factorization.

74078782632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39768 (or 39755 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 54.

The spelling of 74078782632 in words is "seventy-four billion, seventy-eight million, seven hundred eighty-two thousand, six hundred thirty-two".