74651394 has 32 divisors (see below), whose sum is σ = 156078720. Its totient is φ = 23772672.

The previous prime is 74651389. The next prime is 74651417. The reversal of 74651394 is 49315647.

It is a super-4 number, since 4×74651394⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14667 + ... + 19089.

It is an arithmetic number, because the mean of its divisors is an integer number (4877460).

Almost surely, 2^74651394 is an apocalyptic number.

74651394 is an abundant number, since it is smaller than the sum of its proper divisors (81427326).

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

74651394 is a wasteful number, since it uses less digits than its factorization.

74651394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4554.

The product of its digits is 90720, while the sum is 39.

The square root of 74651394 is about 8640.1038188207. The cubic root of 74651394 is about 421.0619272745.

The spelling of 74651394 in words is "seventy-four million, six hundred fifty-one thousand, three hundred ninety-four".