7961250 has 80 divisors (see below), whose sum is σ = 21818016. Its totient is φ = 1920000.

The previous prime is 7961231. The next prime is 7961267. The reversal of 7961250 is 521697.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 41154 + ... + 41346.

Almost surely, 2^7961250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7961250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10909008).

7961250 is an abundant number, since it is smaller than the sum of its proper divisors (13856766).

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

7961250 is a wasteful number, since it uses less digits than its factorization.

7961250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 7961250 is about 2821.5687126136. The cubic root of 7961250 is about 199.6765605499.

The spelling of 7961250 in words is "seven million, nine hundred sixty-one thousand, two hundred fifty".