726807142 has 4 divisors (see below), whose sum is σ = 1090210716. Its totient is φ = 363403570.

The previous prime is 726807127. The next prime is 726807173. The reversal of 726807142 is 241708627.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181701784 + ... + 181701787.

It is an arithmetic number, because the mean of its divisors is an integer number (272552679).

Almost surely, 2^726807142 is an apocalyptic number.

726807142 is a deficient number, since it is larger than the sum of its proper divisors (363403574).

726807142 is a wasteful number, since it uses less digits than its factorization.

726807142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363403573.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 726807142 is about 26959.3609345622. The cubic root of 726807142 is about 899.0966829574.

The spelling of 726807142 in words is "seven hundred twenty-six million, eight hundred seven thousand, one hundred forty-two".