74246490 has 128 divisors (see below), whose sum is σ = 214099200. Its totient is φ = 18247680.

The previous prime is 74246453. The next prime is 74246503. The reversal of 74246490 is 9464247.

74246490 is a `hidden beast` number, since 7 + 4 + 2 + 4 + 649 + 0 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 210154 + ... + 210506.

It is an arithmetic number, because the mean of its divisors is an integer number (1672650).

Almost surely, 2^74246490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74246490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107049600).

74246490 is an abundant number, since it is smaller than the sum of its proper divisors (139852710).

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

74246490 is a wasteful number, since it uses less digits than its factorization.

74246490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 74246490 is about 8616.6402965425. The cubic root of 74246490 is about 420.2992764919.

The spelling of 74246490 in words is "seventy-four million, two hundred forty-six thousand, four hundred ninety".