3670778250 has 80 divisors (see below), whose sum is σ = 10265184072. Its totient is φ = 978868800.

The previous prime is 3670778249. The next prime is 3670778263. The reversal of 3670778250 is 528770763.

3670778250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 527942529 + 3142835721 = 22977^2 + 56061^2 .

It is a super-2 number, since 2×3670778250² = 26949225921346125000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 3670778196 and 3670778205.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 70387 + ... + 110886.

Almost surely, 2^3670778250 is an apocalyptic number.

3670778250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3670778250 is an abundant number, since it is smaller than the sum of its proper divisors (6594405822).

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

3670778250 is a wasteful number, since it uses less digits than its factorization.

3670778250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181302 (or 181283 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The square root of 3670778250 is about 60586.9478518270. The cubic root of 3670778250 is about 1542.5978317502.

The spelling of 3670778250 in words is "three billion, six hundred seventy million, seven hundred seventy-eight thousand, two hundred fifty".