74274880 has 28 divisors (see below), whose sum is σ = 176867820. Its totient is φ = 29709824.

The previous prime is 74274877. The next prime is 74274883. The reversal of 74274880 is 8847247.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74274877) and next prime (74274883).

It can be written as a sum of positive squares in 2 ways, for example, as 20575296 + 53699584 = 4536^2 + 7328^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (74274883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115735 + ... + 116374.

Almost surely, 2^74274880 is an apocalyptic number.

It is an amenable number.

74274880 is an abundant number, since it is smaller than the sum of its proper divisors (102592940).

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

74274880 is a wasteful number, since it uses less digits than its factorization.

74274880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232126 (or 232116 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 40.

The square root of 74274880 is about 8618.2875329151. The cubic root of 74274880 is about 420.3528403076.

The spelling of 74274880 in words is "seventy-four million, two hundred seventy-four thousand, eight hundred eighty".