612614448 has 80 divisors (see below), whose sum is σ = 1861889760. Its totient is φ = 192190464.

The previous prime is 612614417. The next prime is 612614449. The reversal of 612614448 is 844416216.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (612614449) 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, 34365 + ... + 49052.

It is an arithmetic number, because the mean of its divisors is an integer number (23273622).

Almost surely, 2^612614448 is an apocalyptic number.

612614448 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

612614448 is an abundant number, since it is smaller than the sum of its proper divisors (1249275312).

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

612614448 is a wasteful number, since it uses less digits than its factorization.

612614448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83451 (or 83439 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 612614448 is about 24751.0494322968. The cubic root of 612614448 is about 849.3025180219.

The spelling of 612614448 in words is "six hundred twelve million, six hundred fourteen thousand, four hundred forty-eight".