7237345661 has 8 divisors (see below), whose sum is σ = 8907502464. Its totient is φ = 5726251440.

The previous prime is 7237345657. The next prime is 7237345693. The reversal of 7237345661 is 1665437327.

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

It is not a de Polignac number, because 7237345661 - 2² = 7237345657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7237345261) 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, 39765545 + ... + 39765726.

It is an arithmetic number, because the mean of its divisors is an integer number (1113437808).

Almost surely, 2^7237345661 is an apocalyptic number.

It is an amenable number.

7237345661 is a deficient number, since it is larger than the sum of its proper divisors (1670156803).

7237345661 is a wasteful number, since it uses less digits than its factorization.

7237345661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79531291.

The product of its digits is 635040, while the sum is 44.

The square root of 7237345661 is about 85072.5905389039. The cubic root of 7237345661 is about 1934.3116096963.

The spelling of 7237345661 in words is "seven billion, two hundred thirty-seven million, three hundred forty-five thousand, six hundred sixty-one".