74798416 has 80 divisors (see below), whose sum is σ = 182666880. Its totient is φ = 28823040.

The previous prime is 74798389. The next prime is 74798441. The reversal of 74798416 is 61489747.

It is a super-2 number, since 2×74798416² = 11189606072218112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134010 + ... + 134566.

It is an arithmetic number, because the mean of its divisors is an integer number (2283336).

Almost surely, 2^74798416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74798416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91333440).

74798416 is an abundant number, since it is smaller than the sum of its proper divisors (107868464).

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

74798416 is a wasteful number, since it uses less digits than its factorization.

74798416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692 (or 686 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 74798416 is about 8648.6077492276. The cubic root of 74798416 is about 421.3381657923.

The spelling of 74798416 in words is "seventy-four million, seven hundred ninety-eight thousand, four hundred sixteen".