74290893 has 32 divisors (see below), whose sum is σ = 108380160. Its totient is φ = 45106560.

The previous prime is 74290891. The next prime is 74290903. The reversal of 74290893 is 39809247.

It is not a de Polignac number, because 74290893 - 2¹ = 74290891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74290891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193780 + ... + 194162.

It is an arithmetic number, because the mean of its divisors is an integer number (3386880).

Almost surely, 2^74290893 is an apocalyptic number.

It is an amenable number.

74290893 is a deficient number, since it is larger than the sum of its proper divisors (34089267).

74290893 is a wasteful number, since it uses less digits than its factorization.

74290893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 74290893 is about 8619.2164957147. The cubic root of 74290893 is about 420.3830462415.

The spelling of 74290893 in words is "seventy-four million, two hundred ninety thousand, eight hundred ninety-three".