74955131 has 2 divisors, whose sum is σ = 74955132. Its totient is φ = 74955130.

The previous prime is 74955119. The next prime is 74955163. The reversal of 74955131 is 13155947.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74955131 - 2¹⁸ = 74692987 is a prime.

It is a super-2 number, since 2×74955131² = 11236543326454322, which contains 22 as substring.

It is equal to p_4391855 and since 74955131 and 4391855 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 74955091 and 74955100.

It is not a weakly prime, because it can be changed into another prime (74955731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37477565 + 37477566.

It is an arithmetic number, because the mean of its divisors is an integer number (37477566).

Almost surely, 2^74955131 is an apocalyptic number.

74955131 is a deficient number, since it is larger than the sum of its proper divisors (1).

74955131 is an equidigital number, since it uses as much as digits as its factorization.

74955131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 35.

The square root of 74955131 is about 8657.6631373599. The cubic root of 74955131 is about 421.6322181408.

The spelling of 74955131 in words is "seventy-four million, nine hundred fifty-five thousand, one hundred thirty-one".