74225051 has 2 divisors, whose sum is σ = 74225052. Its totient is φ = 74225050.

The previous prime is 74225029. The next prime is 74225087. The reversal of 74225051 is 15052247.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74225051 - 2¹⁰ = 74224027 is a prime.

It is equal to p_4351607 and since 74225051 and 4351607 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74225051.

It is not a weakly prime, because it can be changed into another prime (74225251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37112525 + 37112526.

It is an arithmetic number, because the mean of its divisors is an integer number (37112526).

Almost surely, 2^74225051 is an apocalyptic number.

74225051 is a deficient number, since it is larger than the sum of its proper divisors (1).

74225051 is an equidigital number, since it uses as much as digits as its factorization.

74225051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 74225051 is about 8615.3961603631. The cubic root of 74225051 is about 420.2588181769.

Adding to 74225051 its reverse (15052247), we get a palindrome (89277298).

The spelling of 74225051 in words is "seventy-four million, two hundred twenty-five thousand, fifty-one".