3490073280 has 168 divisors, whose sum is σ = 12029370912. Its totient is φ = 928751616.

The previous prime is 3490073221. The next prime is 3490073303. The reversal of 3490073280 is 823700943.

It is a super-2 number, since 2×3490073280² = 24361222999539916800, which contains 22 as substring.

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

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, 1862424 + ... + 1864296.

Almost surely, 2^3490073280 is an apocalyptic number.

3490073280 is a gapful number since it is divisible by the number (30) 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 3490073280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6014685456).

3490073280 is an abundant number, since it is smaller than the sum of its proper divisors (8539297632).

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

3490073280 is a wasteful number, since it uses less digits than its factorization.

3490073280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543 (or 2530 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 3490073280 is about 59076.8421634061. The cubic root of 3490073280 is about 1516.8577282681.

The spelling of 3490073280 in words is "three billion, four hundred ninety million, seventy-three thousand, two hundred eighty".