616072764 has 12 divisors (see below), whose sum is σ = 1437503144. Its totient is φ = 205357584.

The previous prime is 616072763. The next prime is 616072771. The reversal of 616072764 is 467270616.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616072763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25669687 + ... + 25669710.

Almost surely, 2^616072764 is an apocalyptic number.

It is an amenable number.

616072764 is an abundant number, since it is smaller than the sum of its proper divisors (821430380).

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

616072764 is a wasteful number, since it uses less digits than its factorization.

616072764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51339404 (or 51339402 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 616072764 is about 24820.8131212497. The cubic root of 616072764 is about 850.8976740203.

The spelling of 616072764 in words is "six hundred sixteen million, seventy-two thousand, seven hundred sixty-four".