46721249 has 4 divisors (see below), whose sum is σ = 47602836. Its totient is φ = 45839664.

The previous prime is 46721239. The next prime is 46721251. The reversal of 46721249 is 94212764.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36385024 + 10336225 = 6032^2 + 3215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46721249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (46721239) 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, 440714 + ... + 440819.

It is an arithmetic number, because the mean of its divisors is an integer number (11900709).

Almost surely, 2^46721249 is an apocalyptic number.

It is an amenable number.

46721249 is a deficient number, since it is larger than the sum of its proper divisors (881587).

46721249 is an equidigital number, since it uses as much as digits as its factorization.

46721249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881586.

The product of its digits is 24192, while the sum is 35.

The square root of 46721249 is about 6835.2943608889. The cubic root of 46721249 is about 360.1677433293.

The spelling of 46721249 in words is "forty-six million, seven hundred twenty-one thousand, two hundred forty-nine".