74706971 has 2 divisors, whose sum is σ = 74706972. Its totient is φ = 74706970.

The previous prime is 74706937. The next prime is 74706979. The reversal of 74706971 is 17960747.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74706971 is a prime.

It is a super-2 number, since 2×74706971² = 11162263031989682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74706979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37353485 + 37353486.

It is an arithmetic number, because the mean of its divisors is an integer number (37353486).

Almost surely, 2^74706971 is an apocalyptic number.

74706971 is a deficient number, since it is larger than the sum of its proper divisors (1).

74706971 is an equidigital number, since it uses as much as digits as its factorization.

74706971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 74706971 is about 8643.3194433620. The cubic root of 74706971 is about 421.1663930790.

It can be divided in two parts, 7470 and 6971, that added together give a palindrome (14441).

The spelling of 74706971 in words is "seventy-four million, seven hundred six thousand, nine hundred seventy-one".