612650747 has 8 divisors (see below), whose sum is σ = 648830976. Its totient is φ = 577265832.

The previous prime is 612650729. The next prime is 612650761. The reversal of 612650747 is 747056216.

612650747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 612650747 - 2⁶ = 612650683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 612650747.

It is not an unprimeable number, because it can be changed into a prime (612650707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197243 + ... + 200324.

It is an arithmetic number, because the mean of its divisors is an integer number (81103872).

Almost surely, 2^612650747 is an apocalyptic number.

612650747 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

612650747 is a deficient number, since it is larger than the sum of its proper divisors (36180229).

612650747 is a wasteful number, since it uses less digits than its factorization.

612650747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397657.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 612650747 is about 24751.7827034741. The cubic root of 612650747 is about 849.3192921519.

The spelling of 612650747 in words is "six hundred twelve million, six hundred fifty thousand, seven hundred forty-seven".