1954730717 has 4 divisors (see below), whose sum is σ = 1956262716. Its totient is φ = 1953198720.

The previous prime is 1954730629. The next prime is 1954730741. The reversal of 1954730717 is 7170374591.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1715533561 + 239197156 = 41419^2 + 15466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1954730717 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 (1954730747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 764084 + ... + 766637.

It is an arithmetic number, because the mean of its divisors is an integer number (489065679).

Almost surely, 2^1954730717 is an apocalyptic number.

It is an amenable number.

1954730717 is a deficient number, since it is larger than the sum of its proper divisors (1531999).

1954730717 is a wasteful number, since it uses less digits than its factorization.

1954730717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531998.

The product of its (nonzero) digits is 185220, while the sum is 44.

The square root of 1954730717 is about 44212.3367059467. The cubic root of 1954730717 is about 1250.3424591288.

The spelling of 1954730717 in words is "one billion, nine hundred fifty-four million, seven hundred thirty thousand, seven hundred seventeen".