612948765 has 32 divisors (see below), whose sum is σ = 1152176256. Its totient is φ = 274325760.

The previous prime is 612948757. The next prime is 612948769. The reversal of 612948765 is 567849216.

It is not a de Polignac number, because 612948765 - 2³ = 612948757 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612948769) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140734 + ... + 145023.

It is an arithmetic number, because the mean of its divisors is an integer number (36005508).

Almost surely, 2^612948765 is an apocalyptic number.

612948765 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

612948765 is a deficient number, since it is larger than the sum of its proper divisors (539227491).

612948765 is a wasteful number, since it uses less digits than its factorization.

612948765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285789.

The product of its digits is 725760, while the sum is 48.

The square root of 612948765 is about 24757.8021035794. The cubic root of 612948765 is about 849.4569841990.

The spelling of 612948765 in words is "six hundred twelve million, nine hundred forty-eight thousand, seven hundred sixty-five".