74712823 has 2 divisors, whose sum is σ = 74712824. Its totient is φ = 74712822.

The previous prime is 74712811. The next prime is 74712829. The reversal of 74712823 is 32821747.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74712823 - 2⁵ = 74712791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74712829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37356411 + 37356412.

It is an arithmetic number, because the mean of its divisors is an integer number (37356412).

Almost surely, 2^74712823 is an apocalyptic number.

74712823 is a deficient number, since it is larger than the sum of its proper divisors (1).

74712823 is an equidigital number, since it uses as much as digits as its factorization.

74712823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 34.

The square root of 74712823 is about 8643.6579640798. The cubic root of 74712823 is about 421.1773898278.

The spelling of 74712823 in words is "seventy-four million, seven hundred twelve thousand, eight hundred twenty-three".