7620242436 has 27 divisors (see below), whose sum is σ = 19263603541. Its totient is φ = 2539906224.

The previous prime is 7620242419. The next prime is 7620242471. The reversal of 7620242436 is 6342420267.

The square root of 7620242436 is 87294.

It is a perfect power (a square), and thus also a powerful number.

7620242436 is a `hidden beast` number, since 7 + 620 + 2 + 4 + 24 + 3 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6367082436 + 1253160000 = 79794^2 + 35400^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7620242436.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 516490 + ... + 531038.

Almost surely, 2^7620242436 is an apocalyptic number.

7620242436 is the 87294-th square number.

It is an amenable number.

7620242436 is an abundant number, since it is smaller than the sum of its proper divisors (11643361105).

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

7620242436 is an equidigital number, since it uses as much as digits as its factorization.

7620242436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29108 (or 14554 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The cubic root of 7620242436 is about 1967.8391481909.

Multiplying 7620242436 by its sum of digits (36), we get a square (274328727696 = 523764²).

7620242436 divided by its sum of digits (36) gives a square (211673401 = 14549²).

The spelling of 7620242436 in words is "seven billion, six hundred twenty million, two hundred forty-two thousand, four hundred thirty-six".