74472511 has 2 divisors, whose sum is σ = 74472512. Its totient is φ = 74472510.

The previous prime is 74472499. The next prime is 74472547. The reversal of 74472511 is 11527447.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74472511 - 2⁷ = 74472383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74472911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37236255 + 37236256.

It is an arithmetic number, because the mean of its divisors is an integer number (37236256).

Almost surely, 2^74472511 is an apocalyptic number.

74472511 is a deficient number, since it is larger than the sum of its proper divisors (1).

74472511 is an equidigital number, since it uses as much as digits as its factorization.

74472511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7840, while the sum is 31.

The square root of 74472511 is about 8629.7457088839. The cubic root of 74472511 is about 420.7253358224.

Adding to 74472511 its reverse (11527447), we get a palindrome (85999958).

The spelling of 74472511 in words is "seventy-four million, four hundred seventy-two thousand, five hundred eleven".