46744021 has 4 divisors (see below), whose sum is σ = 46986412. Its totient is φ = 46501632.

The previous prime is 46744007. The next prime is 46744099. The reversal of 46744021 is 12044764.

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 4363921 + 42380100 = 2089^2 + 6510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46744021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46744421) 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, 120906 + ... + 121291.

It is an arithmetic number, because the mean of its divisors is an integer number (11746603).

Almost surely, 2^46744021 is an apocalyptic number.

It is an amenable number.

46744021 is a deficient number, since it is larger than the sum of its proper divisors (242391).

46744021 is a wasteful number, since it uses less digits than its factorization.

46744021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242390.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 46744021 is about 6836.9599238258. The cubic root of 46744021 is about 360.2262492402.

Adding to 46744021 its reverse (12044764), we get a palindrome (58788785).

The spelling of 46744021 in words is "forty-six million, seven hundred forty-four thousand, twenty-one".