7398642530 has 32 divisors (see below), whose sum is σ = 13998075264. Its totient is φ = 2810110336.

The previous prime is 7398642529. The next prime is 7398642547. The reversal of 7398642530 is 352468937.

It is a happy number.

It is a super-2 number, since 2×7398642530² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85892 + ... + 148911.

It is an arithmetic number, because the mean of its divisors is an integer number (437439852).

Almost surely, 2^7398642530 is an apocalyptic number.

7398642530 is a deficient number, since it is larger than the sum of its proper divisors (6599432734).

7398642530 is a wasteful number, since it uses less digits than its factorization.

7398642530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234970.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The square root of 7398642530 is about 86015.3621744395. The cubic root of 7398642530 is about 1948.5759956454.

The spelling of 7398642530 in words is "seven billion, three hundred ninety-eight million, six hundred forty-two thousand, five hundred thirty".