74997311 has 8 divisors (see below), whose sum is σ = 75742800. Its totient is φ = 74255040.

The previous prime is 74997301. The next prime is 74997317. The reversal of 74997311 is 11379947.

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-74997311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74997317) 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, 98171 + ... + 98931.

It is an arithmetic number, because the mean of its divisors is an integer number (9467850).

Almost surely, 2^74997311 is an apocalyptic number.

74997311 is a deficient number, since it is larger than the sum of its proper divisors (745489).

74997311 is a wasteful number, since it uses less digits than its factorization.

74997311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609.

The product of its digits is 47628, while the sum is 41.

The square root of 74997311 is about 8660.0987869654. The cubic root of 74997311 is about 421.7112926119.

The spelling of 74997311 in words is "seventy-four million, nine hundred ninety-seven thousand, three hundred eleven".