39130722 has 16 divisors (see below), whose sum is σ = 86957280. Its totient is φ = 13043556.

The previous prime is 39130717. The next prime is 39130759. The reversal of 39130722 is 22703193.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362268 + ... + 362375.

It is an arithmetic number, because the mean of its divisors is an integer number (5434830).

Almost surely, 2^39130722 is an apocalyptic number.

39130722 is an abundant number, since it is smaller than the sum of its proper divisors (47826558).

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

39130722 is a wasteful number, since it uses less digits than its factorization.

39130722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724654 (or 724648 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 39130722 is about 6255.4553791071. The cubic root of 39130722 is about 339.4996157243.

It can be divided in two parts, 391 and 30722, that added together give a palindrome (31113).

The spelling of 39130722 in words is "thirty-nine million, one hundred thirty thousand, seven hundred twenty-two".