39472780 has 24 divisors (see below), whose sum is σ = 83049120. Its totient is φ = 15759360.

The previous prime is 39472729. The next prime is 39472781. The reversal of 39472780 is 8727493.

It is not an unprimeable number, because it can be changed into a prime (39472781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11281 + ... + 14359.

It is an arithmetic number, because the mean of its divisors is an integer number (3460380).

Almost surely, 2^39472780 is an apocalyptic number.

It is an amenable number.

39472780 is an abundant number, since it is smaller than the sum of its proper divisors (43576340).

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

39472780 is a wasteful number, since it uses less digits than its factorization.

39472780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3729 (or 3727 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 39472780 is about 6282.7366648619. The cubic root of 39472780 is about 340.4859832236.

The spelling of 39472780 in words is "thirty-nine million, four hundred seventy-two thousand, seven hundred eighty".