7250018387 has 8 divisors (see below), whose sum is σ = 7267075056. Its totient is φ = 7232977312.

The previous prime is 7250018383. The next prime is 7250018429. The reversal of 7250018387 is 7838100527.

7250018387 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7250018387 - 2² = 7250018383 is a prime.

It is a super-2 number, since 2×7250018387² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7250018383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1848953 + ... + 1852869.

It is an arithmetic number, because the mean of its divisors is an integer number (908384382).

Almost surely, 2^7250018387 is an apocalyptic number.

7250018387 is a deficient number, since it is larger than the sum of its proper divisors (17056669).

7250018387 is a wasteful number, since it uses less digits than its factorization.

7250018387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7797.

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 7250018387 is about 85147.0398017453. The cubic root of 7250018387 is about 1935.4399564920.

The spelling of 7250018387 in words is "seven billion, two hundred fifty million, eighteen thousand, three hundred eighty-seven".