673370737 has 8 divisors (see below), whose sum is σ = 732349800. Its totient is φ = 615417600.

The previous prime is 673370723. The next prime is 673370741. The reversal of 673370737 is 737073376.

It can be written as a sum of positive squares in 4 ways, for example, as 68161536 + 605209201 = 8256^2 + 24601^2 .

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-673370737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 673370693 and 673370702.

It is not an unprimeable number, because it can be changed into a prime (673371737) 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, 255112 + ... + 257737.

It is an arithmetic number, because the mean of its divisors is an integer number (91543725).

Almost surely, 2^673370737 is an apocalyptic number.

It is an amenable number.

673370737 is a deficient number, since it is larger than the sum of its proper divisors (58979063).

673370737 is a wasteful number, since it uses less digits than its factorization.

673370737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512963.

The product of its (nonzero) digits is 388962, while the sum is 43.

The square root of 673370737 is about 25949.3879889295. The cubic root of 673370737 is about 876.4989759753.

The spelling of 673370737 in words is "six hundred seventy-three million, three hundred seventy thousand, seven hundred thirty-seven".