612495632 has 80 divisors (see below), whose sum is σ = 1416314112. Its totient is φ = 251112960.

The previous prime is 612495619. The next prime is 612495643. The reversal of 612495632 is 236594216.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251573 + ... + 253995.

Almost surely, 2^612495632 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 612495632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708157056).

612495632 is an abundant number, since it is smaller than the sum of its proper divisors (803818480).

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

612495632 is a wasteful number, since it uses less digits than its factorization.

612495632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2536 (or 2530 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 612495632 is about 24748.6490944455. The cubic root of 612495632 is about 849.2476073284.

The spelling of 612495632 in words is "six hundred twelve million, four hundred ninety-five thousand, six hundred thirty-two".