74949255 has 24 divisors (see below), whose sum is σ = 132679872. Its totient is φ = 39121344.

The previous prime is 74949247. The next prime is 74949263. The reversal of 74949255 is 55294947.

It is an interprime number because it is at equal distance from previous prime (74949247) and next prime (74949263).

It is not a de Polignac number, because 74949255 - 2³ = 74949247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 74949255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15604 + ... + 19833.

It is an arithmetic number, because the mean of its divisors is an integer number (5528328).

Almost surely, 2^74949255 is an apocalyptic number.

74949255 is a deficient number, since it is larger than the sum of its proper divisors (57730617).

74949255 is a wasteful number, since it uses less digits than its factorization.

74949255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35495 (or 35492 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 74949255 is about 8657.3237781661. The cubic root of 74949255 is about 421.6212001019.

The spelling of 74949255 in words is "seventy-four million, nine hundred forty-nine thousand, two hundred fifty-five".