974306672639 has 8 divisors (see below), whose sum is σ = 988649570160. Its totient is φ = 960051499776.

The previous prime is 974306672611. The next prime is 974306672683. The reversal of 974306672639 is 936276603479.

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-974306672639 is a prime.

It is a super-2 number, since 2×974306672639² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974306672609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21908789 + ... + 21953214.

It is an arithmetic number, because the mean of its divisors is an integer number (123581196270).

Almost surely, 2^974306672639 is an apocalyptic number.

974306672639 is a deficient number, since it is larger than the sum of its proper divisors (14342897521).

974306672639 is a wasteful number, since it uses less digits than its factorization.

974306672639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43862329.

The product of its (nonzero) digits is 61725888, while the sum is 62.

The spelling of 974306672639 in words is "nine hundred seventy-four billion, three hundred six million, six hundred seventy-two thousand, six hundred thirty-nine".