7149350530 has 64 divisors (see below), whose sum is σ = 15151398912. Its totient is φ = 2377589760.

The previous prime is 7149350513. The next prime is 7149350539. The reversal of 7149350530 is 350539417.

It is a super-2 number, since 2×7149350530² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 7149350530.

It is not an unprimeable number, because it can be changed into a prime (7149350539) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 868735 + ... + 876925.

It is an arithmetic number, because the mean of its divisors is an integer number (236740608).

Almost surely, 2^7149350530 is an apocalyptic number.

7149350530 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7149350530 is an abundant number, since it is smaller than the sum of its proper divisors (8002048382).

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

7149350530 is a wasteful number, since it uses less digits than its factorization.

7149350530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8579.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 7149350530 is about 84553.8321426060. The cubic root of 7149350530 is about 1926.4401910425.

Adding to 7149350530 its reverse (350539417), we get a palindrome (7499889947).

The spelling of 7149350530 in words is "seven billion, one hundred forty-nine million, three hundred fifty thousand, five hundred thirty".