74405265 has 32 divisors (see below), whose sum is σ = 132903936. Its totient is φ = 35232960.

The previous prime is 74405257. The next prime is 74405291. The reversal of 74405265 is 56250447.

It is not a de Polignac number, because 74405265 - 2³ = 74405257 is a prime.

It is a super-2 number, since 2×74405265² = 11072286919440450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1852 + ... + 12338.

It is an arithmetic number, because the mean of its divisors is an integer number (4153248).

Almost surely, 2^74405265 is an apocalyptic number.

It is an amenable number.

74405265 is a deficient number, since it is larger than the sum of its proper divisors (58498671).

74405265 is a wasteful number, since it uses less digits than its factorization.

74405265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10549.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 74405265 is about 8625.8486539007. The cubic root of 74405265 is about 420.5986644040.

The spelling of 74405265 in words is "seventy-four million, four hundred five thousand, two hundred sixty-five".