612216706 has 8 divisors (see below), whose sum is σ = 947948544. Its totient is φ = 296233860.

The previous prime is 612216677. The next prime is 612216749. The reversal of 612216706 is 607612216.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4937170 + ... + 4937293.

It is an arithmetic number, because the mean of its divisors is an integer number (118493568).

Almost surely, 2^612216706 is an apocalyptic number.

612216706 is a deficient number, since it is larger than the sum of its proper divisors (335731838).

612216706 is a wasteful number, since it uses less digits than its factorization.

612216706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9874496.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 612216706 is about 24743.0132764787. The cubic root of 612216706 is about 849.1186740527.

The spelling of 612216706 in words is "six hundred twelve million, two hundred sixteen thousand, seven hundred six".