74290751 has 2 divisors, whose sum is σ = 74290752. Its totient is φ = 74290750.

The previous prime is 74290717. The next prime is 74290753. The reversal of 74290751 is 15709247.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74290751 - 2²⁶ = 7181887 is a prime.

Together with 74290753, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74290753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37145375 + 37145376.

It is an arithmetic number, because the mean of its divisors is an integer number (37145376).

Almost surely, 2^74290751 is an apocalyptic number.

74290751 is a deficient number, since it is larger than the sum of its proper divisors (1).

74290751 is an equidigital number, since it uses as much as digits as its factorization.

74290751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 74290751 is about 8619.2082583031. The cubic root of 74290751 is about 420.3827784006.

Adding to 74290751 its reverse (15709247), we get a palindrome (89999998).

The spelling of 74290751 in words is "seventy-four million, two hundred ninety thousand, seven hundred fifty-one".