7977252 has 12 divisors (see below), whose sum is σ = 18613616. Its totient is φ = 2659080.

The previous prime is 7977241. The next prime is 7977253. The reversal of 7977252 is 2527797.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 7977252.

It is not an unprimeable number, because it can be changed into a prime (7977253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332374 + ... + 332397.

Almost surely, 2^7977252 is an apocalyptic number.

It is an amenable number.

7977252 is an abundant number, since it is smaller than the sum of its proper divisors (10636364).

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

7977252 is a wasteful number, since it uses less digits than its factorization.

7977252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664778 (or 664776 counting only the distinct ones).

The product of its digits is 61740, while the sum is 39.

The square root of 7977252 is about 2824.4029457569. The cubic root of 7977252 is about 199.8102533713.

The spelling of 7977252 in words is "seven million, nine hundred seventy-seven thousand, two hundred fifty-two".