74267244 has 18 divisors (see below), whose sum is σ = 187731180. Its totient is φ = 24755736.

The previous prime is 74267239. The next prime is 74267261. The reversal of 74267244 is 44276247.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2062979 = 74267244 / (7 + 4 + 2 + 6 + 7 + 2 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 74267199 and 74267208.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1031454 + ... + 1031525.

It is an arithmetic number, because the mean of its divisors is an integer number (10429510).

Almost surely, 2^74267244 is an apocalyptic number.

It is an amenable number.

74267244 is an abundant number, since it is smaller than the sum of its proper divisors (113463936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74267244 is a wasteful number, since it uses less digits than its factorization.

74267244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062989 (or 2062984 counting only the distinct ones).

The product of its digits is 75264, while the sum is 36.

The square root of 74267244 is about 8617.8445100849. The cubic root of 74267244 is about 420.3384347001.

The spelling of 74267244 in words is "seventy-four million, two hundred sixty-seven thousand, two hundred forty-four".