74268240484 has 9 divisors (see below), whose sum is σ = 129970374681. Its totient is φ = 37133847720.

The previous prime is 74268240481. The next prime is 74268240503. The reversal of 74268240484 is 48404286247.

The square root of 74268240484 is 272522.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 74050382884 + 217857600 = 272122^2 + 14760^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74268240481) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 476914 + ... + 613174.

Almost surely, 2^74268240484 is an apocalyptic number.

74268240484 is the 272522-nd square number.

It is an amenable number.

74268240484 is a deficient number, since it is larger than the sum of its proper divisors (55702134197).

74268240484 is an frugal number, since it uses more digits than its factorization.

74268240484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272526 (or 136263 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 49.

Multiplying 74268240484 by its sum of digits (49), we get a square (3639143783716 = 1907654²).

The spelling of 74268240484 in words is "seventy-four billion, two hundred sixty-eight million, two hundred forty thousand, four hundred eighty-four".