1974479580 has 72 divisors (see below), whose sum is σ = 5996534544. Its totient is φ = 525888000.

The previous prime is 1974479579. The next prime is 1974479629. The reversal of 1974479580 is 859744791.

1974479580 is a `hidden beast` number, since 1 + 97 + 4 + 479 + 5 + 80 = 666.

1974479580 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1974479580² = 7797139223673952800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152355 + ... + 164805.

It is an arithmetic number, because the mean of its divisors is an integer number (83285202).

Almost surely, 2^1974479580 is an apocalyptic number.

1974479580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1974479580 is an abundant number, since it is smaller than the sum of its proper divisors (4022054964).

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

1974479580 is a wasteful number, since it uses less digits than its factorization.

1974479580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13347 (or 13342 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The square root of 1974479580 is about 44435.1165183574. The cubic root of 1974479580 is about 1254.5391407427.

The spelling of 1974479580 in words is "one billion, nine hundred seventy-four million, four hundred seventy-nine thousand, five hundred eighty".