45991716 has 12 divisors (see below), whose sum is σ = 107314032. Its totient is φ = 15330568.

The previous prime is 45991691. The next prime is 45991733. The reversal of 45991716 is 61719954.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1916310 + ... + 1916333.

It is an arithmetic number, because the mean of its divisors is an integer number (8942836).

Almost surely, 2^45991716 is an apocalyptic number.

It is an amenable number.

45991716 is an abundant number, since it is smaller than the sum of its proper divisors (61322316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45991716 is a wasteful number, since it uses less digits than its factorization.

45991716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3832650 (or 3832648 counting only the distinct ones).

The product of its digits is 68040, while the sum is 42.

The square root of 45991716 is about 6781.7192510454. The cubic root of 45991716 is about 358.2832771374.

The spelling of 45991716 in words is "forty-five million, nine hundred ninety-one thousand, seven hundred sixteen".