3490001720 has 32 divisors (see below), whose sum is σ = 7859034720. Its totient is φ = 1394839680.

The previous prime is 3490001699. The next prime is 3490001743. The reversal of 3490001720 is 271000943.

It is a super-2 number, since 2×3490001720² = 24360224011205916800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3490001720.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13250 + ... + 84590.

It is an arithmetic number, because the mean of its divisors is an integer number (245594835).

Almost surely, 2^3490001720 is an apocalyptic number.

It is an amenable number.

3490001720 is an abundant number, since it is smaller than the sum of its proper divisors (4369033000).

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

3490001720 is a wasteful number, since it uses less digits than its factorization.

3490001720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72575 (or 72571 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 3490001720 is about 59076.2365084304. The cubic root of 3490001720 is about 1516.8473610473.

The spelling of 3490001720 in words is "three billion, four hundred ninety million, one thousand, seven hundred twenty".