74747334740 has 24 divisors (see below), whose sum is σ = 169043973000. Its totient is φ = 27599015808.

The previous prime is 74747334719. The next prime is 74747334793. The reversal of 74747334740 is 4743374747.

It can be written as a sum of positive squares in 4 ways, for example, as 3055504 + 74744279236 = 1748^2 + 273394^2 .

It is a super-2 number, since 2×74747334740² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143744615 + ... + 143745134.

It is an arithmetic number, because the mean of its divisors is an integer number (7043498875).

Almost surely, 2^74747334740 is an apocalyptic number.

It is an amenable number.

74747334740 is an abundant number, since it is smaller than the sum of its proper divisors (94296638260).

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

74747334740 is a wasteful number, since it uses less digits than its factorization.

74747334740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287489771 (or 287489769 counting only the distinct ones).

The product of its (nonzero) digits is 5531904, while the sum is 50.

The spelling of 74747334740 in words is "seventy-four billion, seven hundred forty-seven million, three hundred thirty-four thousand, seven hundred forty".