5737742621 has 8 divisors (see below), whose sum is σ = 6224212344. Its totient is φ = 5257716480.

The previous prime is 5737742611. The next prime is 5737742627. The reversal of 5737742621 is 1262477375.

It can be written as a sum of positive squares in 4 ways, for example, as 689640121 + 5048102500 = 26261^2 + 71050^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5737742621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5737742627) 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, 1609040 + ... + 1612601.

It is an arithmetic number, because the mean of its divisors is an integer number (778026543).

Almost surely, 2^5737742621 is an apocalyptic number.

It is an amenable number.

5737742621 is a deficient number, since it is larger than the sum of its proper divisors (486469723).

5737742621 is a wasteful number, since it uses less digits than its factorization.

5737742621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221791.

The product of its digits is 493920, while the sum is 44.

The square root of 5737742621 is about 75747.8885580318. Note that the first 3 decimals coincide. The cubic root of 5737742621 is about 1790.2500218783.

The spelling of 5737742621 in words is "five billion, seven hundred thirty-seven million, seven hundred forty-two thousand, six hundred twenty-one".