7707972 has 24 divisors (see below), whose sum is σ = 18035136. Its totient is φ = 2562208.

The previous prime is 7707943. The next prime is 7707979. The reversal of 7707972 is 2797077.

It is a self number, because there is not a number n which added to its sum of digits gives 7707972.

It is not an unprimeable number, because it can be changed into a prime (7707979) 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, 5398 + ... + 6674.

It is an arithmetic number, because the mean of its divisors is an integer number (751464).

Almost surely, 2^7707972 is an apocalyptic number.

It is an amenable number.

7707972 is an abundant number, since it is smaller than the sum of its proper divisors (10327164).

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

7707972 is a wasteful number, since it uses less digits than its factorization.

7707972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787 (or 1785 counting only the distinct ones).

The product of its (nonzero) digits is 43218, while the sum is 39.

The square root of 7707972 is about 2776.3234681859. The cubic root of 7707972 is about 197.5362065757.

The spelling of 7707972 in words is "seven million, seven hundred seven thousand, nine hundred seventy-two".