74851331 has 8 divisors (see below), whose sum is σ = 76249584. Its totient is φ = 73458720.

The previous prime is 74851303. The next prime is 74851369. The reversal of 74851331 is 13315847.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74851331 is a prime.

It is a super-2 number, since 2×74851331² = 11205443504943122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74851531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32876 + ... + 35078.

It is an arithmetic number, because the mean of its divisors is an integer number (9531198).

Almost surely, 2^74851331 is an apocalyptic number.

74851331 is a deficient number, since it is larger than the sum of its proper divisors (1398253).

74851331 is a wasteful number, since it uses less digits than its factorization.

74851331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821.

The product of its digits is 10080, while the sum is 32.

The square root of 74851331 is about 8651.6663712836. Note that the first 3 decimals coincide. The cubic root of 74851331 is about 421.4374987945.

The spelling of 74851331 in words is "seventy-four million, eight hundred fifty-one thousand, three hundred thirty-one".