74988261 has 20 divisors (see below), whose sum is σ = 112779744. Its totient is φ = 49653000.

The previous prime is 74988253. The next prime is 74988271. The reversal of 74988261 is 16288947.

It is not a de Polignac number, because 74988261 - 2³ = 74988253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74988271) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9166 + ... + 15296.

Almost surely, 2^74988261 is an apocalyptic number.

It is an amenable number.

74988261 is a deficient number, since it is larger than the sum of its proper divisors (37791483).

74988261 is a wasteful number, since it uses less digits than its factorization.

74988261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6294 (or 6285 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 74988261 is about 8659.5762598409. The cubic root of 74988261 is about 421.6943291560.

The spelling of 74988261 in words is "seventy-four million, nine hundred eighty-eight thousand, two hundred sixty-one".