45947746 has 16 divisors (see below), whose sum is σ = 74358648. Its totient is φ = 21168000.

The previous prime is 45947731. The next prime is 45947749. The reversal of 45947746 is 64774954.

It can be written as a sum of positive squares in 4 ways, for example, as 23961025 + 21986721 = 4895^2 + 4689^2 .

It is a super-2 number, since 2×45947746² = 4222390724961032, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45947696 and 45947705.

It is not an unprimeable number, because it can be changed into a prime (45947749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16966 + ... + 19486.

Almost surely, 2^45947746 is an apocalyptic number.

45947746 is a deficient number, since it is larger than the sum of its proper divisors (28410902).

45947746 is a wasteful number, since it uses less digits than its factorization.

45947746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3237.

The product of its digits is 846720, while the sum is 46.

The square root of 45947746 is about 6778.4766725275. The cubic root of 45947746 is about 358.1690628098.

It can be divided in two parts, 459 and 47746, that added together give a triangular number (48205 = T₃₁₀).

The spelling of 45947746 in words is "forty-five million, nine hundred forty-seven thousand, seven hundred forty-six".