74472859 has 2 divisors, whose sum is σ = 74472860. Its totient is φ = 74472858.

The previous prime is 74472847. The next prime is 74472911. The reversal of 74472859 is 95827447.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74472859 - 2⁷ = 74472731 is a prime.

It is not a weakly prime, because it can be changed into another prime (74475859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37236429 + 37236430.

It is an arithmetic number, because the mean of its divisors is an integer number (37236430).

Almost surely, 2^74472859 is an apocalyptic number.

74472859 is a deficient number, since it is larger than the sum of its proper divisors (1).

74472859 is an equidigital number, since it uses as much as digits as its factorization.

74472859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 46.

The square root of 74472859 is about 8629.7658716793. The cubic root of 74472859 is about 420.7259911523.

The spelling of 74472859 in words is "seventy-four million, four hundred seventy-two thousand, eight hundred fifty-nine".