7474400 has 36 divisors (see below), whose sum is σ = 18248832. Its totient is φ = 2989440.

The previous prime is 7474393. The next prime is 7474409. The reversal of 7474400 is 44747.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 7474400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7474409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3872 + ... + 5471.

It is an arithmetic number, because the mean of its divisors is an integer number (506912).

Almost surely, 2^7474400 is an apocalyptic number.

It is an amenable number.

7474400 is an abundant number, since it is smaller than the sum of its proper divisors (10774432).

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

7474400 is a wasteful number, since it uses less digits than its factorization.

7474400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9363 (or 9350 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 7474400 is about 2733.9348931531. The cubic root of 7474400 is about 195.5204157093.

The spelling of 7474400 in words is "seven million, four hundred seventy-four thousand, four hundred".