7820372 has 24 divisors (see below), whose sum is σ = 16181760. Its totient is φ = 3235680.

The previous prime is 7820369. The next prime is 7820389. The reversal of 7820372 is 2730287.

It is a super-2 number, since 2×7820372² = 122316436436768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4004 + ... + 5627.

It is an arithmetic number, because the mean of its divisors is an integer number (674240).

Almost surely, 2^7820372 is an apocalyptic number.

It is an amenable number.

7820372 is an abundant number, since it is smaller than the sum of its proper divisors (8361388).

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

7820372 is a wasteful number, since it uses less digits than its factorization.

7820372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9671 (or 9669 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 7820372 is about 2796.4928034951. The cubic root of 7820372 is about 198.4917545700.

It can be divided in two parts, 7820 and 372, that added together give a 13-th power (8192 = 2¹³).

The spelling of 7820372 in words is "seven million, eight hundred twenty thousand, three hundred seventy-two".