46872781 has 8 divisors (see below), whose sum is σ = 49014144. Its totient is φ = 44740080.

The previous prime is 46872773. The next prime is 46872803. The reversal of 46872781 is 18727864.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 46872781 - 2³ = 46872773 is a prime.

It is a super-2 number, since 2×46872781² = 4394115197347922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46872751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10560 + ... + 14326.

It is an arithmetic number, because the mean of its divisors is an integer number (6126768).

Almost surely, 2^46872781 is an apocalyptic number.

It is an amenable number.

46872781 is a deficient number, since it is larger than the sum of its proper divisors (2141363).

46872781 is a wasteful number, since it uses less digits than its factorization.

46872781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4331.

The product of its digits is 150528, while the sum is 43.

The square root of 46872781 is about 6846.3699140493. The cubic root of 46872781 is about 360.5567029728.

The spelling of 46872781 in words is "forty-six million, eight hundred seventy-two thousand, seven hundred eighty-one".