790173540 has 72 divisors (see below), whose sum is σ = 2581241208. Its totient is φ = 194503680.

The previous prime is 790173523. The next prime is 790173557. The reversal of 790173540 is 45371097.

It is a happy number.

790173540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (790173523) and next prime (790173557).

It can be written as a sum of positive squares in 4 ways, for example, as 105513984 + 684659556 = 10272^2 + 26166^2 .

It is a super-2 number, since 2×790173540² = 1248748446632263200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 790173495 and 790173504.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166501 + ... + 171180.

Almost surely, 2^790173540 is an apocalyptic number.

It is an amenable number.

790173540 is an abundant number, since it is smaller than the sum of its proper divisors (1791067668).

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

790173540 is a wasteful number, since it uses less digits than its factorization.

790173540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337709 (or 337704 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 790173540 is about 28110.0256136489. The cubic root of 790173540 is about 924.5012319605.

The spelling of 790173540 in words is "seven hundred ninety million, one hundred seventy-three thousand, five hundred forty".