772130 has 8 divisors (see below), whose sum is σ = 1389852. Its totient is φ = 308848.

The previous prime is 772127. The next prime is 772139. The reversal of 772130 is 31277.

It can be written as a sum of positive squares in 2 ways, for example, as 727609 + 44521 = 853^2 + 211^2 .

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

It is not an unprimeable number, because it can be changed into a prime (772139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38597 + ... + 38616.

2⁷⁷²¹³⁰ is an apocalyptic number.

772130 is a deficient number, since it is larger than the sum of its proper divisors (617722).

772130 is a wasteful number, since it uses less digits than its factorization.

772130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77220.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 772130 is about 878.7092807067. The cubic root of 772130 is about 91.7410012285.

The spelling of 772130 in words is "seven hundred seventy-two thousand, one hundred thirty".