46991568 has 40 divisors (see below), whose sum is σ = 130734688. Its totient is φ = 14458752.

The previous prime is 46991557. The next prime is 46991573. The reversal of 46991568 is 86519964.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37030 + ... + 38277.

Almost surely, 2^46991568 is an apocalyptic number.

46991568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

46991568 is an abundant number, since it is smaller than the sum of its proper divisors (83743120).

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

46991568 is a wasteful number, since it uses less digits than its factorization.

46991568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75331 (or 75325 counting only the distinct ones).

The product of its digits is 466560, while the sum is 48.

The square root of 46991568 is about 6855.0396060125. The cubic root of 46991568 is about 360.8610254313.

The spelling of 46991568 in words is "forty-six million, nine hundred ninety-one thousand, five hundred sixty-eight".