45406730 has 16 divisors (see below), whose sum is σ = 82853064. Its totient is φ = 17913600.

The previous prime is 45406729. The next prime is 45406759. The reversal of 45406730 is 3760454.

It can be written as a sum of positive squares in 4 ways, for example, as 27573001 + 17833729 = 5251^2 + 4223^2 .

It is a super-2 number, since 2×45406730² = 4123542258585800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45406693 and 45406702.

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, 30371 + ... + 31830.

Almost surely, 2^45406730 is an apocalyptic number.

45406730 is a deficient number, since it is larger than the sum of its proper divisors (37446334).

45406730 is a wasteful number, since it uses less digits than its factorization.

45406730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62281.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 45406730 is about 6738.4516025568. The cubic root of 45406730 is about 356.7577440373.

The spelling of 45406730 in words is "forty-five million, four hundred six thousand, seven hundred thirty".