616710722 has 4 divisors (see below), whose sum is σ = 925066086. Its totient is φ = 308355360.

The previous prime is 616710701. The next prime is 616710767. The reversal of 616710722 is 227017616.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 350400961 + 266309761 = 18719^2 + 16319^2 .

It is a super-2 number, since 2×616710722² = 760664229259522568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154177679 + ... + 154177682.

Almost surely, 2^616710722 is an apocalyptic number.

616710722 is a deficient number, since it is larger than the sum of its proper divisors (308355364).

616710722 is a wasteful number, since it uses less digits than its factorization.

616710722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308355363.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 616710722 is about 24833.6610671886. The cubic root of 616710722 is about 851.1912809578.

The spelling of 616710722 in words is "six hundred sixteen million, seven hundred ten thousand, seven hundred twenty-two".