742734506 has 8 divisors (see below), whose sum is σ = 1114218624. Its totient is φ = 371328300.

The previous prime is 742734451. The next prime is 742734511. The reversal of 742734506 is 605437247.

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 742734506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22151 + ... + 44453.

It is an arithmetic number, because the mean of its divisors is an integer number (139277328).

Almost surely, 2^742734506 is an apocalyptic number.

742734506 is a deficient number, since it is larger than the sum of its proper divisors (371484118).

742734506 is a wasteful number, since it uses less digits than its factorization.

742734506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38956.

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 742734506 is about 27253.1558906487. The cubic root of 742734506 is about 905.6169316864.

The spelling of 742734506 in words is "seven hundred forty-two million, seven hundred thirty-four thousand, five hundred six".