450680730 has 32 divisors (see below), whose sum is σ = 1102045824. Its totient is φ = 117913536.

The previous prime is 450680687. The next prime is 450680777. The reversal of 450680730 is 37086054.

It is a super-2 number, since 2×450680730² = 406226240786665800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 450680691 and 450680700.

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, 140134 + ... + 143313.

It is an arithmetic number, because the mean of its divisors is an integer number (34438932).

Almost surely, 2^450680730 is an apocalyptic number.

450680730 is an abundant number, since it is smaller than the sum of its proper divisors (651365094).

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

450680730 is a wasteful number, since it uses less digits than its factorization.

450680730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283510.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 450680730 is about 21229.2423322171. The cubic root of 450680730 is about 766.6956449874.

The spelling of 450680730 in words is "four hundred fifty million, six hundred eighty thousand, seven hundred thirty".