46393721 has 4 divisors (see below), whose sum is σ = 50611344. Its totient is φ = 42176100.

The previous prime is 46393717. The next prime is 46393727. The reversal of 46393721 is 12739364.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 46393721 - 2² = 46393717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46393727) 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, 2108795 + ... + 2108816.

It is an arithmetic number, because the mean of its divisors is an integer number (12652836).

Almost surely, 2^46393721 is an apocalyptic number.

It is an amenable number.

46393721 is a deficient number, since it is larger than the sum of its proper divisors (4217623).

46393721 is a wasteful number, since it uses less digits than its factorization.

46393721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4217622.

The product of its digits is 27216, while the sum is 35.

The square root of 46393721 is about 6811.2936363073. The cubic root of 46393721 is about 359.3241460594.

The spelling of 46393721 in words is "forty-six million, three hundred ninety-three thousand, seven hundred twenty-one".