74874073 has 2 divisors, whose sum is σ = 74874074. Its totient is φ = 74874072.

The previous prime is 74874061. The next prime is 74874097. The reversal of 74874073 is 37047847.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72539289 + 2334784 = 8517^2 + 1528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74874073 is a prime.

It is a super-2 number, since 2×74874073² = 11212253615218658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74878073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37437036 + 37437037.

It is an arithmetic number, because the mean of its divisors is an integer number (37437037).

Almost surely, 2^74874073 is an apocalyptic number.

It is an amenable number.

74874073 is a deficient number, since it is larger than the sum of its proper divisors (1).

74874073 is an equidigital number, since it uses as much as digits as its factorization.

74874073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 74874073 is about 8652.9805847465. The cubic root of 74874073 is about 421.4801761077.

The spelling of 74874073 in words is "seventy-four million, eight hundred seventy-four thousand, seventy-three".