94772131 has 2 divisors, whose sum is σ = 94772132. Its totient is φ = 94772130.

The previous prime is 94772123. The next prime is 94772137. The reversal of 94772131 is 13127749.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 94772131 - 2³ = 94772123 is a prime.

It is a super-2 number, since 2×94772131² = 17963513628562322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (94772137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47386065 + 47386066.

It is an arithmetic number, because the mean of its divisors is an integer number (47386066).

Almost surely, 2^94772131 is an apocalyptic number.

94772131 is a deficient number, since it is larger than the sum of its proper divisors (1).

94772131 is an equidigital number, since it uses as much as digits as its factorization.

94772131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 34.

The square root of 94772131 is about 9735.0978937040. The cubic root of 94772131 is about 455.9251489817.

The spelling of 94772131 in words is "ninety-four million, seven hundred seventy-two thousand, one hundred thirty-one".