46781481 has 4 divisors (see below), whose sum is σ = 62375312. Its totient is φ = 31187652.

The previous prime is 46781479. The next prime is 46781531. The reversal of 46781481 is 18418764.

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 46781481 - 2¹ = 46781479 is a prime.

It is a super-2 number, since 2×46781481² = 4377013929106722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46781411) 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, 7796911 + ... + 7796916.

It is an arithmetic number, because the mean of its divisors is an integer number (15593828).

Almost surely, 2^46781481 is an apocalyptic number.

It is an amenable number.

46781481 is a deficient number, since it is larger than the sum of its proper divisors (15593831).

46781481 is a wasteful number, since it uses less digits than its factorization.

46781481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15593830.

The product of its digits is 43008, while the sum is 39.

The square root of 46781481 is about 6839.6988968814. The cubic root of 46781481 is about 360.3224502941.

The spelling of 46781481 in words is "forty-six million, seven hundred eighty-one thousand, four hundred eighty-one".