46872457 has 4 divisors (see below), whose sum is σ = 46977300. Its totient is φ = 46767616.

The previous prime is 46872433. The next prime is 46872481. The reversal of 46872457 is 75427864.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (46872433) and next prime (46872481).

It can be written as a sum of positive squares in 2 ways, for example, as 41011216 + 5861241 = 6404^2 + 2421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46872457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46872157) 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, 51748 + ... + 52645.

It is an arithmetic number, because the mean of its divisors is an integer number (11744325).

Almost surely, 2^46872457 is an apocalyptic number.

It is an amenable number.

46872457 is a deficient number, since it is larger than the sum of its proper divisors (104843).

46872457 is a wasteful number, since it uses less digits than its factorization.

46872457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104842.

The product of its digits is 376320, while the sum is 43.

The square root of 46872457 is about 6846.3462518339. The cubic root of 46872457 is about 360.5558722089. Note that the first 3 decimals are identical.

The spelling of 46872457 in words is "forty-six million, eight hundred seventy-two thousand, four hundred fifty-seven".