74917374 has 64 divisors (see below), whose sum is σ = 177984000. Its totient is φ = 21008064.

The previous prime is 74917357. The next prime is 74917393. The reversal of 74917374 is 47371947.

It is a super-2 number, since 2×74917374² = 11225225854111752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121114 + ... + 121730.

It is an arithmetic number, because the mean of its divisors is an integer number (2781000).

Almost surely, 2^74917374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74917374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88992000).

74917374 is an abundant number, since it is smaller than the sum of its proper divisors (103066626).

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

74917374 is a wasteful number, since it uses less digits than its factorization.

74917374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 688 counting only the distinct ones).

The product of its digits is 148176, while the sum is 42.

The square root of 74917374 is about 8655.4823089184. The cubic root of 74917374 is about 421.5614102622.

The spelling of 74917374 in words is "seventy-four million, nine hundred seventeen thousand, three hundred seventy-four".