7405980 has 24 divisors (see below), whose sum is σ = 20736912. Its totient is φ = 1974912.

The previous prime is 7405973. The next prime is 7405997. The reversal of 7405980 is 895047.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61657 + ... + 61776.

It is an arithmetic number, because the mean of its divisors is an integer number (864038).

Almost surely, 2^7405980 is an apocalyptic number.

It is an amenable number.

7405980 is an abundant number, since it is smaller than the sum of its proper divisors (13330932).

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

7405980 is a wasteful number, since it uses less digits than its factorization.

7405980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123445 (or 123443 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 7405980 is about 2721.3930256396. The cubic root of 7405980 is about 194.9219937828.

It can be divided in two parts, 7405 and 980, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 7405980 in words is "seven million, four hundred five thousand, nine hundred eighty".