7378668737 has 8 divisors (see below), whose sum is σ = 8327024640. Its totient is φ = 6476574160.

The previous prime is 7378668733. The next prime is 7378668779.

7378668737 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7378668737 - 2² = 7378668733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7378668737.

It is not an unprimeable number, because it can be changed into a prime (7378668733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11564993 + ... + 11565630.

It is an arithmetic number, because the mean of its divisors is an integer number (1040878080).

Almost surely, 2^7378668737 is an apocalyptic number.

It is an amenable number.

7378668737 is a deficient number, since it is larger than the sum of its proper divisors (948355903).

7378668737 is a wasteful number, since it uses less digits than its factorization.

7378668737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23130663.

The product of its digits is 49787136, while the sum is 62.

The square root of 7378668737 is about 85899.1777434453. The cubic root of 7378668737 is about 1946.8209200804.

The spelling of 7378668737 in words is "seven billion, three hundred seventy-eight million, six hundred sixty-eight thousand, seven hundred thirty-seven".