545858730 has 32 divisors (see below), whose sum is σ = 1455624000. Its totient is φ = 145562256.

The previous prime is 545858671. The next prime is 545858759. The reversal of 545858730 is 37858545.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1010580 + ... + 1011119.

It is an arithmetic number, because the mean of its divisors is an integer number (45488250).

Almost surely, 2^545858730 is an apocalyptic number.

545858730 is an abundant number, since it is smaller than the sum of its proper divisors (909765270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545858730 is a wasteful number, since it uses less digits than its factorization.

545858730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021715 (or 2021709 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The square root of 545858730 is about 23363.6197965983. The cubic root of 545858730 is about 817.2597054883.

The spelling of 545858730 in words is "five hundred forty-five million, eight hundred fifty-eight thousand, seven hundred thirty".