74957830 has 8 divisors (see below), whose sum is σ = 134924112. Its totient is φ = 29983128.

The previous prime is 74957803. The next prime is 74957849. The reversal of 74957830 is 3875947.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3747882 + ... + 3747901.

It is an arithmetic number, because the mean of its divisors is an integer number (16865514).

Almost surely, 2^74957830 is an apocalyptic number.

74957830 is a deficient number, since it is larger than the sum of its proper divisors (59966282).

74957830 is a wasteful number, since it uses less digits than its factorization.

74957830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7495790.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 74957830 is about 8657.8190094273. The cubic root of 74957830 is about 421.6372788204.

The spelling of 74957830 in words is "seventy-four million, nine hundred fifty-seven thousand, eight hundred thirty".