1974320117 has 16 divisors (see below), whose sum is σ = 2513866752. Its totient is φ = 1505695920.

The previous prime is 1974320093. The next prime is 1974320123. The reversal of 1974320117 is 7110234791.

It is a cyclic number.

It is not a de Polignac number, because 1974320117 - 2⁶ = 1974320053 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 (1974320137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269153 + ... + 276390.

It is an arithmetic number, because the mean of its divisors is an integer number (157116672).

Almost surely, 2^1974320117 is an apocalyptic number.

It is an amenable number.

1974320117 is a deficient number, since it is larger than the sum of its proper divisors (539546635).

1974320117 is a wasteful number, since it uses less digits than its factorization.

1974320117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545608.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 1974320117 is about 44433.3221467853. The cubic root of 1974320117 is about 1254.5053667865.

The spelling of 1974320117 in words is "one billion, nine hundred seventy-four million, three hundred twenty thousand, one hundred seventeen".