612764530 has 32 divisors (see below), whose sum is σ = 1261895040. Its totient is φ = 209865600.

The previous prime is 612764483. The next prime is 612764531. The reversal of 612764530 is 35467216.

It is a happy number.

It is a super-2 number, since 2×612764530² = 750960738452241800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (612764531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69406 + ... + 77734.

It is an arithmetic number, because the mean of its divisors is an integer number (39434220).

Almost surely, 2^612764530 is an apocalyptic number.

612764530 is an abundant number, since it is smaller than the sum of its proper divisors (649130510).

612764530 is a wasteful number, since it uses less digits than its factorization.

612764530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9394.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 612764530 is about 24754.0810776728. The cubic root of 612764530 is about 849.3718681182.

The spelling of 612764530 in words is "six hundred twelve million, seven hundred sixty-four thousand, five hundred thirty".