7449680618 has 16 divisors (see below), whose sum is σ = 11548594176. Its totient is φ = 3600432720.

The previous prime is 7449680597. The next prime is 7449680671. The reversal of 7449680618 is 8160869447.

It is a self number, because there is not a number n which added to its sum of digits gives 7449680618.

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, 17546 + ... + 123317.

It is an arithmetic number, because the mean of its divisors is an integer number (721787136).

Almost surely, 2^7449680618 is an apocalyptic number.

7449680618 is a deficient number, since it is larger than the sum of its proper divisors (4098913558).

7449680618 is a wasteful number, since it uses less digits than its factorization.

7449680618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141749.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 7449680618 is about 86311.5323580806. The cubic root of 7449680618 is about 1953.0463554750.

The spelling of 7449680618 in words is "seven billion, four hundred forty-nine million, six hundred eighty thousand, six hundred eighteen".