74207051 has 2 divisors, whose sum is σ = 74207052. Its totient is φ = 74207050.

The previous prime is 74207011. The next prime is 74207053. The reversal of 74207051 is 15070247.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74207051 - 2²⁶ = 7098187 is a prime.

It is a Sophie Germain prime.

Together with 74207053, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74207051.

It is not a weakly prime, because it can be changed into another prime (74207053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37103525 + 37103526.

It is an arithmetic number, because the mean of its divisors is an integer number (37103526).

Almost surely, 2^74207051 is an apocalyptic number.

74207051 is a deficient number, since it is larger than the sum of its proper divisors (1).

74207051 is an equidigital number, since it uses as much as digits as its factorization.

74207051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 74207051 is about 8614.3514555653. The cubic root of 74207051 is about 420.2248437070.

Adding to 74207051 its reverse (15070247), we get a palindrome (89277298).

The spelling of 74207051 in words is "seventy-four million, two hundred seven thousand, fifty-one".