612610464 has 96 divisors (see below), whose sum is σ = 1724950080. Its totient is φ = 189775872.

The previous prime is 612610463. The next prime is 612610489. The reversal of 612610464 is 464016216.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (612610463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93504 + ... + 99840.

It is an arithmetic number, because the mean of its divisors is an integer number (17968230).

Almost surely, 2^612610464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612610464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (862475040).

612610464 is an abundant number, since it is smaller than the sum of its proper divisors (1112339616).

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

612610464 is a wasteful number, since it uses less digits than its factorization.

612610464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6422 (or 6414 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 612610464 is about 24750.9689507300. The cubic root of 612610464 is about 849.3006769354.

The spelling of 612610464 in words is "six hundred twelve million, six hundred ten thousand, four hundred sixty-four".