76725530 has 16 divisors (see below), whose sum is σ = 157835520. Its totient is φ = 26305872.

The previous prime is 76725491. The next prime is 76725557. The reversal of 76725530 is 3552767.

It is a super-4 number, since 4×76725530⁴ (a number of 33 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

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 7 ways as a sum of consecutive naturals, for example, 547970 + ... + 548109.

It is an arithmetic number, because the mean of its divisors is an integer number (9864720).

Almost surely, 2^76725530 is an apocalyptic number.

76725530 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

76725530 is an abundant number, since it is smaller than the sum of its proper divisors (81109990).

76725530 is a wasteful number, since it uses less digits than its factorization.

76725530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096093.

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 76725530 is about 8759.3110459670. The cubic root of 76725530 is about 424.9259940344.

The spelling of 76725530 in words is "seventy-six million, seven hundred twenty-five thousand, five hundred thirty".