46691481 has 4 divisors (see below), whose sum is σ = 62255312. Its totient is φ = 31127652.

The previous prime is 46691471. The next prime is 46691501. The reversal of 46691481 is 18419664.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 46691481 - 2⁷ = 46691353 is a prime.

It is a super-2 number, since 2×46691481² = 4360188795946722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46691471) 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, 7781911 + ... + 7781916.

It is an arithmetic number, because the mean of its divisors is an integer number (15563828).

Almost surely, 2^46691481 is an apocalyptic number.

It is an amenable number.

46691481 is a deficient number, since it is larger than the sum of its proper divisors (15563831).

46691481 is a wasteful number, since it uses less digits than its factorization.

46691481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15563830.

The product of its digits is 41472, while the sum is 39.

The square root of 46691481 is about 6833.1164924945. The cubic root of 46691481 is about 360.0912345926.

The spelling of 46691481 in words is "forty-six million, six hundred ninety-one thousand, four hundred eighty-one".