734149566 has 12 divisors (see below), whose sum is σ = 1590657432. Its totient is φ = 244716516.

The previous prime is 734149561. The next prime is 734149571. The reversal of 734149566 is 665941437.

734149566 is a `hidden beast` number, since 7 + 3 + 41 + 49 + 566 = 666.

It is an interprime number because it is at equal distance from previous prime (734149561) and next prime (734149571).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734149561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20393026 + ... + 20393061.

It is an arithmetic number, because the mean of its divisors is an integer number (132554786).

Almost surely, 2^734149566 is an apocalyptic number.

734149566 is an abundant number, since it is smaller than the sum of its proper divisors (856507866).

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

734149566 is a wasteful number, since it uses less digits than its factorization.

734149566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40786095 (or 40786092 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 734149566 is about 27095.1945185858. The cubic root of 734149566 is about 902.1141926180.

The spelling of 734149566 in words is "seven hundred thirty-four million, one hundred forty-nine thousand, five hundred sixty-six".