74775465 has 12 divisors (see below), whose sum is σ = 129610884. Its totient is φ = 39880224.

The previous prime is 74775403. The next prime is 74775473. The reversal of 74775465 is 56457747.

It can be written as a sum of positive squares in 2 ways, for example, as 7601049 + 67174416 = 2757^2 + 8196^2 .

It is not a de Polignac number, because 74775465 - 2¹⁵ = 74742697 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1661677 = 74775465 / (7 + 4 + 7 + 7 + 5 + 4 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 74775465.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 830794 + ... + 830883.

It is an arithmetic number, because the mean of its divisors is an integer number (10800907).

Almost surely, 2^74775465 is an apocalyptic number.

It is an amenable number.

74775465 is a deficient number, since it is larger than the sum of its proper divisors (54835419).

74775465 is a wasteful number, since it uses less digits than its factorization.

74775465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661688 (or 1661685 counting only the distinct ones).

The product of its digits is 823200, while the sum is 45.

The square root of 74775465 is about 8647.2807864669. The cubic root of 74775465 is about 421.2950671904.

The spelling of 74775465 in words is "seventy-four million, seven hundred seventy-five thousand, four hundred sixty-five".