74903479225 has 27 divisors (see below), whose sum is σ = 93835127631. Its totient is φ = 59313013200.

The previous prime is 74903479177. The next prime is 74903479271. The reversal of 74903479225 is 52297430947.

The square root of 74903479225 is 273685.

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., 26965252521 + 47938226704 = 164211^2 + 218948^2 .

It is not a de Polignac number, because 74903479225 - 2²³ = 74895090617 is a prime.

It is a super-2 number, since 2×74903479225² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 173789760 + ... + 173790190.

Almost surely, 2^74903479225 is an apocalyptic number.

74903479225 is the 273685-th square number.

74903479225 is the 136843-rd centered octagonal number.

It is an amenable number.

74903479225 is a deficient number, since it is larger than the sum of its proper divisors (18931648406).

74903479225 is an frugal number, since it uses more digits than its factorization.

74903479225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 74903479225 in words is "seventy-four billion, nine hundred three million, four hundred seventy-nine thousand, two hundred twenty-five".