7660072 has 24 divisors (see below), whose sum is σ = 16708410. Its totient is φ = 3282720.

The previous prime is 7660067. The next prime is 7660087. The reversal of 7660072 is 2700667.

7660072 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7150276 + 509796 = 2674^2 + 714^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 7660072.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9379 + ... + 10162.

Almost surely, 2^7660072 is an apocalyptic number.

It is an amenable number.

7660072 is an abundant number, since it is smaller than the sum of its proper divisors (9048338).

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

7660072 is a wasteful number, since it uses less digits than its factorization.

7660072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19561 (or 19550 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 7660072 is about 2767.6835079178. The cubic root of 7660072 is about 197.1261699601.

The spelling of 7660072 in words is "seven million, six hundred sixty thousand, seventy-two".