74412858 has 16 divisors (see below), whose sum is σ = 160274016. Its totient is φ = 22896240.

The previous prime is 74412857. The next prime is 74412881. The reversal of 74412858 is 85821447.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74412851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476928 + ... + 477083.

It is an arithmetic number, because the mean of its divisors is an integer number (10017126).

Almost surely, 2^74412858 is an apocalyptic number.

74412858 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

74412858 is an abundant number, since it is smaller than the sum of its proper divisors (85861158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74412858 is a wasteful number, since it uses less digits than its factorization.

74412858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954029.

The product of its digits is 71680, while the sum is 39.

The square root of 74412858 is about 8626.2887732790. The cubic root of 74412858 is about 420.6129711740.

The spelling of 74412858 in words is "seventy-four million, four hundred twelve thousand, eight hundred fifty-eight".