7474890 has 32 divisors (see below), whose sum is σ = 18046656. Its totient is φ = 1981440.

The previous prime is 7474889. The next prime is 7474903. The reversal of 7474890 is 984747.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5145 + ... + 6435.

It is an arithmetic number, because the mean of its divisors is an integer number (563958).

Almost surely, 2^7474890 is an apocalyptic number.

7474890 is an abundant number, since it is smaller than the sum of its proper divisors (10571766).

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

7474890 is a wasteful number, since it uses less digits than its factorization.

7474890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 7474890 is about 2734.0245061082. The cubic root of 7474890 is about 195.5246881998.

The spelling of 7474890 in words is "seven million, four hundred seventy-four thousand, eight hundred ninety".