120073730 has 32 divisors (see below), whose sum is σ = 260012160. Its totient is φ = 39000960.

The previous prime is 120073721. The next prime is 120073817. The reversal of 120073730 is 37370021.

It is a super-2 number, since 2×120073730² = 28835401272225800, 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 = 120073696 and 120073705.

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, 43811 + ... + 46470.

It is an arithmetic number, because the mean of its divisors is an integer number (8125380).

Almost surely, 2^120073730 is an apocalyptic number.

120073730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120073730 is an abundant number, since it is smaller than the sum of its proper divisors (139938430).

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

120073730 is a wasteful number, since it uses less digits than its factorization.

120073730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90314.

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 120073730 is about 10957.8159320186. The cubic root of 120073730 is about 493.3434129707.

The spelling of 120073730 in words is "one hundred twenty million, seventy-three thousand, seven hundred thirty".