616240774 has 4 divisors (see below), whose sum is σ = 924361164. Its totient is φ = 308120386.

The previous prime is 616240763. The next prime is 616240777. The reversal of 616240774 is 477042616.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616240777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154060192 + ... + 154060195.

It is an arithmetic number, because the mean of its divisors is an integer number (231090291).

Almost surely, 2^616240774 is an apocalyptic number.

616240774 is a deficient number, since it is larger than the sum of its proper divisors (308120390).

616240774 is a wasteful number, since it uses less digits than its factorization.

616240774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308120389.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 616240774 is about 24824.1973485549. The cubic root of 616240774 is about 850.9750167916.

The spelling of 616240774 in words is "six hundred sixteen million, two hundred forty thousand, seven hundred seventy-four".