46407681 has 16 divisors (see below), whose sum is σ = 69625600. Its totient is φ = 30545424.

The previous prime is 46407679. The next prime is 46407703. The reversal of 46407681 is 18670464.

46407681 is a `hidden beast` number, since 4 + 640 + 7 + 6 + 8 + 1 = 666.

It is not a de Polignac number, because 46407681 - 2¹ = 46407679 is a prime.

It is a super-2 number, since 2×46407681² = 4307345711595522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46407661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8746 + ... + 13011.

It is an arithmetic number, because the mean of its divisors is an integer number (4351600).

It is a Proth number, since it is equal to 5665 ⋅ 2¹³ + 1 and 5665 < 2¹³.

Almost surely, 2^46407681 is an apocalyptic number.

It is an amenable number.

46407681 is a deficient number, since it is larger than the sum of its proper divisors (23217919).

46407681 is a wasteful number, since it uses less digits than its factorization.

46407681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21845 (or 21839 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 46407681 is about 6812.3183278529. The cubic root of 46407681 is about 359.3601829909.

It can be divided in two parts, 4640 and 7681, that added together give a palindrome (12321).

The spelling of 46407681 in words is "forty-six million, four hundred seven thousand, six hundred eighty-one".