46001781 has 12 divisors (see below), whose sum is σ = 75939552. Its totient is φ = 26286696.

The previous prime is 46001773. The next prime is 46001783. The reversal of 46001781 is 18710064.

It is a happy number.

It is not a de Polignac number, because 46001781 - 2³ = 46001773 is a prime.

It is a super-2 number, since 2×46001781² = 4232327710343922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46001783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 365031 + ... + 365156.

It is an arithmetic number, because the mean of its divisors is an integer number (6328296).

Almost surely, 2^46001781 is an apocalyptic number.

It is an amenable number.

46001781 is a deficient number, since it is larger than the sum of its proper divisors (29937771).

46001781 is a wasteful number, since it uses less digits than its factorization.

46001781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730200 (or 730197 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 46001781 is about 6782.4612789164. The cubic root of 46001781 is about 358.3094112508.

The spelling of 46001781 in words is "forty-six million, one thousand, seven hundred eighty-one".