74741945 has 16 divisors (see below), whose sum is σ = 95230080. Its totient is φ = 56120064.

The previous prime is 74741941. The next prime is 74741951. The reversal of 74741945 is 54914747.

It is a cyclic number.

It is not a de Polignac number, because 74741945 - 2² = 74741941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74741941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36314 + ... + 38316.

It is an arithmetic number, because the mean of its divisors is an integer number (5951880).

Almost surely, 2^74741945 is an apocalyptic number.

It is an amenable number.

74741945 is a deficient number, since it is larger than the sum of its proper divisors (20488135).

74741945 is a wasteful number, since it uses less digits than its factorization.

74741945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464.

The product of its digits is 141120, while the sum is 41.

The square root of 74741945 is about 8645.3423876675. The cubic root of 74741945 is about 421.2321057126.

The spelling of 74741945 in words is "seventy-four million, seven hundred forty-one thousand, nine hundred forty-five".