742900726 has 8 divisors (see below), whose sum is σ = 1144468800. Its totient is φ = 361411128.

The previous prime is 742900687. The next prime is 742900747. The reversal of 742900726 is 627009247.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5019526 + ... + 5019673.

It is an arithmetic number, because the mean of its divisors is an integer number (143058600).

Almost surely, 2^742900726 is an apocalyptic number.

742900726 is a deficient number, since it is larger than the sum of its proper divisors (401568074).

742900726 is a wasteful number, since it uses less digits than its factorization.

742900726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10039238.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 742900726 is about 27256.2052751296. The cubic root of 742900726 is about 905.6844840519.

The spelling of 742900726 in words is "seven hundred forty-two million, nine hundred thousand, seven hundred twenty-six".