619896742 has 8 divisors (see below), whose sum is σ = 954976176. Its totient is φ = 301571352.

The previous prime is 619896731. The next prime is 619896743. The reversal of 619896742 is 247698916.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 619896742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (619896743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4188418 + ... + 4188565.

It is an arithmetic number, because the mean of its divisors is an integer number (119372022).

Almost surely, 2^619896742 is an apocalyptic number.

619896742 is a deficient number, since it is larger than the sum of its proper divisors (335079434).

619896742 is a wasteful number, since it uses less digits than its factorization.

619896742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8377022.

The product of its digits is 1306368, while the sum is 52.

The square root of 619896742 is about 24897.7256391021. The cubic root of 619896742 is about 852.6545579082.

The spelling of 619896742 in words is "six hundred nineteen million, eight hundred ninety-six thousand, seven hundred forty-two".