45667690 has 12 divisors (see below), whose sum is σ = 82240326. Its totient is φ = 18258528.

The previous prime is 45667667. The next prime is 45667703. The reversal of 45667690 is 9676654.

It can be written as a sum of positive squares in 3 ways, for example, as 11923209 + 33744481 = 3453^2 + 5809^2 .

It is a super-2 number, since 2×45667690² = 4171075819872200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20302 + ... + 22438.

Almost surely, 2^45667690 is an apocalyptic number.

45667690 is a deficient number, since it is larger than the sum of its proper divisors (36572636).

45667690 is an frugal number, since it uses more digits than its factorization.

45667690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4281 (or 2144 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 45667690 is about 6757.7873597798. The cubic root of 45667690 is about 357.4398875244.

The spelling of 45667690 in words is "forty-five million, six hundred sixty-seven thousand, six hundred ninety".