46478690 has 16 divisors (see below), whose sum is σ = 84431160. Its totient is φ = 18420480.

The previous prime is 46478687. The next prime is 46478711. The reversal of 46478690 is 9687464.

It can be written as a sum of positive squares in 4 ways, for example, as 42680089 + 3798601 = 6533^2 + 1949^2 .

It is a super-2 number, since 2×46478690² = 4320537248232200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20231 + ... + 22410.

Almost surely, 2^46478690 is an apocalyptic number.

46478690 is a deficient number, since it is larger than the sum of its proper divisors (37952470).

46478690 is a wasteful number, since it uses less digits than its factorization.

46478690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42757.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 46478690 is about 6817.5281444230. The cubic root of 46478690 is about 359.5433768264.

The spelling of 46478690 in words is "forty-six million, four hundred seventy-eight thousand, six hundred ninety".