74853731 has 2 divisors, whose sum is σ = 74853732. Its totient is φ = 74853730.

The previous prime is 74853719. The next prime is 74853733. The reversal of 74853731 is 13735847.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74853731 - 2¹⁰ = 74852707 is a prime.

It is a super-2 number, since 2×74853731² = 11206162089240722, which contains 22 as substring.

Together with 74853733, it forms a pair of twin primes.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 74853731 parts by 12235 straight cuts.

It is not a weakly prime, because it can be changed into another prime (74853733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37426865 + 37426866.

It is an arithmetic number, because the mean of its divisors is an integer number (37426866).

Almost surely, 2^74853731 is an apocalyptic number.

74853731 is a deficient number, since it is larger than the sum of its proper divisors (1).

74853731 is an equidigital number, since it uses as much as digits as its factorization.

74853731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 38.

The square root of 74853731 is about 8651.8050717755. The cubic root of 74853731 is about 421.4420030083.

The spelling of 74853731 in words is "seventy-four million, eight hundred fifty-three thousand, seven hundred thirty-one".