74920548 has 12 divisors (see below), whose sum is σ = 174814640. Its totient is φ = 24973512.

The previous prime is 74920507. The next prime is 74920561. The reversal of 74920548 is 84502947.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×74920548² = 11226177025240608, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3121678 + ... + 3121701.

Almost surely, 2^74920548 is an apocalyptic number.

It is an amenable number.

74920548 is an abundant number, since it is smaller than the sum of its proper divisors (99894092).

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

74920548 is a wasteful number, since it uses less digits than its factorization.

74920548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6243386 (or 6243384 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 74920548 is about 8655.6656589774. The cubic root of 74920548 is about 421.5673635631.

The spelling of 74920548 in words is "seventy-four million, nine hundred twenty thousand, five hundred forty-eight".