747220474 has 64 divisors (see below), whose sum is σ = 1511903232. Its totient is φ = 267480000.

The previous prime is 747220423. The next prime is 747220477. The reversal of 747220474 is 474022747.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (747220477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 501759 + ... + 503245.

It is an arithmetic number, because the mean of its divisors is an integer number (23623488).

Almost surely, 2^747220474 is an apocalyptic number.

747220474 is an abundant number, since it is smaller than the sum of its proper divisors (764682758).

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

747220474 is a wasteful number, since it uses less digits than its factorization.

747220474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771.

The product of its (nonzero) digits is 87808, while the sum is 37.

The square root of 747220474 is about 27335.3338007788. Note that the first 3 decimals coincide. The cubic root of 747220474 is about 907.4365217029.

The spelling of 747220474 in words is "seven hundred forty-seven million, two hundred twenty thousand, four hundred seventy-four".