704030040 has 288 divisors, whose sum is σ = 2693742480. Its totient is φ = 158989824.

The previous prime is 704030039. The next prime is 704030051. The reversal of 704030040 is 40030407.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 704029995 and 704030022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1887294 + ... + 1887666.

Almost surely, 2^704030040 is an apocalyptic number.

704030040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 704030040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1346871240).

704030040 is an abundant number, since it is smaller than the sum of its proper divisors (1989712440).

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

704030040 is a wasteful number, since it uses less digits than its factorization.

704030040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 704030040 is about 26533.5644043540. The cubic root of 704030040 is about 889.6046891466.

Adding to 704030040 its reverse (40030407), we get a palindrome (744060447).

The spelling of 704030040 in words is "seven hundred four million, thirty thousand, forty".