7972530 has 32 divisors (see below), whose sum is σ = 19220544. Its totient is φ = 2116416.

The previous prime is 7972511. The next prime is 7972553. The reversal of 7972530 is 352797.

It is a super-2 number, since 2×7972530² = 127122469201800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7972491 and 7972500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8337 + ... + 9243.

It is an arithmetic number, because the mean of its divisors is an integer number (600642).

Almost surely, 2^7972530 is an apocalyptic number.

7972530 is an abundant number, since it is smaller than the sum of its proper divisors (11248014).

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

7972530 is a wasteful number, since it uses less digits than its factorization.

7972530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210.

The product of its (nonzero) digits is 13230, while the sum is 33.

The square root of 7972530 is about 2823.5668931336. The cubic root of 7972530 is about 199.7708208182.

The spelling of 7972530 in words is "seven million, nine hundred seventy-two thousand, five hundred thirty".