46430721 has 12 divisors (see below), whose sum is σ = 69982848. Its totient is φ = 29607864.

The previous prime is 46430719. The next prime is 46430731. The reversal of 46430721 is 12703464.

It is not a de Polignac number, because 46430721 - 2¹ = 46430719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (46430731) 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, 111945 + ... + 112358.

It is an arithmetic number, because the mean of its divisors is an integer number (5831904).

Almost surely, 2^46430721 is an apocalyptic number.

It is an amenable number.

46430721 is a deficient number, since it is larger than the sum of its proper divisors (23552127).

46430721 is a wasteful number, since it uses less digits than its factorization.

46430721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224332 (or 224329 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 46430721 is about 6814.0091722862. The cubic root of 46430721 is about 359.4196436133.

The spelling of 46430721 in words is "forty-six million, four hundred thirty thousand, seven hundred twenty-one".