73490800390 has 64 divisors (see below), whose sum is σ = 153978983424. Its totient is φ = 24734406528.

The previous prime is 73490800373. The next prime is 73490800483. The reversal of 73490800390 is 9300809437.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 871887 + ... + 952453.

It is an arithmetic number, because the mean of its divisors is an integer number (2405921616).

Almost surely, 2^73490800390 is an apocalyptic number.

73490800390 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

73490800390 is an abundant number, since it is smaller than the sum of its proper divisors (80488183034).

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

73490800390 is a wasteful number, since it uses less digits than its factorization.

73490800390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80821.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 73490800390 in words is "seventy-three billion, four hundred ninety million, eight hundred thousand, three hundred ninety".