74372651 has 2 divisors, whose sum is σ = 74372652. Its totient is φ = 74372650.

The previous prime is 74372633. The next prime is 74372653. The reversal of 74372651 is 15627347.

It is a strong prime.

It is an emirp because it is prime and its reverse (15627347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74372651 - 2⁶ = 74372587 is a prime.

Together with 74372653, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74372653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37186325 + 37186326.

It is an arithmetic number, because the mean of its divisors is an integer number (37186326).

Almost surely, 2^74372651 is an apocalyptic number.

74372651 is a deficient number, since it is larger than the sum of its proper divisors (1).

74372651 is an equidigital number, since it uses as much as digits as its factorization.

74372651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 35.

The square root of 74372651 is about 8623.9579660386. The cubic root of 74372651 is about 420.5372018647.

Adding to 74372651 its reverse (15627347), we get a palindrome (89999998).

The spelling of 74372651 in words is "seventy-four million, three hundred seventy-two thousand, six hundred fifty-one".