74999299600 has 45 divisors (see below), whose sum is σ = 180198977223. Its totient is φ = 29997528960.

The previous prime is 74999299559. The next prime is 74999299601. The reversal of 74999299600 is 699299947.

The square root of 74999299600 is 273860.

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

It can be written as a sum of positive squares in 4 ways, for example, as 24564919824 + 50434379776 = 156732^2 + 224576^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74999299601) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5470354 + ... + 5484046.

Almost surely, 2^74999299600 is an apocalyptic number.

74999299600 is the 273860-th square number.

It is an amenable number.

74999299600 is an abundant number, since it is smaller than the sum of its proper divisors (105199677623).

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

74999299600 is an frugal number, since it uses more digits than its factorization.

74999299600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27404 (or 13700 counting only the distinct ones).

The product of its (nonzero) digits is 19840464, while the sum is 64.

Multiplying 74999299600 by its sum of digits (64), we get a square (4799955174400 = 2190880²).

The spelling of 74999299600 in words is "seventy-four billion, nine hundred ninety-nine million, two hundred ninety-nine thousand, six hundred".