74290285 has 8 divisors (see below), whose sum is σ = 93840480. Its totient is φ = 56304144.

The previous prime is 74290273. The next prime is 74290297. The reversal of 74290285 is 58209247.

It is an interprime number because it is at equal distance from previous prime (74290273) and next prime (74290297).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74290285 - 2⁷ = 74290157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390907 + ... + 391096.

It is an arithmetic number, because the mean of its divisors is an integer number (11730060).

Almost surely, 2^74290285 is an apocalyptic number.

It is an amenable number.

74290285 is a deficient number, since it is larger than the sum of its proper divisors (19550195).

74290285 is a wasteful number, since it uses less digits than its factorization.

74290285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782027.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 74290285 is about 8619.1812256153. The cubic root of 74290285 is about 420.3818994272.

The spelling of 74290285 in words is "seventy-four million, two hundred ninety thousand, two hundred eighty-five".