74274016 has 24 divisors (see below), whose sum is σ = 150945984. Its totient is φ = 35938560.

The previous prime is 74273999. The next prime is 74274019. The reversal of 74274016 is 61047247.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74274019) 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, 36445 + ... + 38428.

It is an arithmetic number, because the mean of its divisors is an integer number (6289416).

Almost surely, 2^74274016 is an apocalyptic number.

It is an amenable number.

74274016 is an abundant number, since it is smaller than the sum of its proper divisors (76671968).

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

74274016 is a wasteful number, since it uses less digits than its factorization.

74274016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74914 (or 74906 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 74274016 is about 8618.2374068019. The cubic root of 74274016 is about 420.3512103879.

The spelling of 74274016 in words is "seventy-four million, two hundred seventy-four thousand, sixteen".