726535494 has 96 divisors (see below), whose sum is σ = 1766209536. Its totient is φ = 222963840.

The previous prime is 726535487. The next prime is 726535507. The reversal of 726535494 is 494535627.

726535494 is a `hidden beast` number, since 7 + 26 + 535 + 4 + 94 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 387379 + ... + 389249.

It is an arithmetic number, because the mean of its divisors is an integer number (18398016).

Almost surely, 2^726535494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 726535494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (883104768).

726535494 is an abundant number, since it is smaller than the sum of its proper divisors (1039674042).

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

726535494 is a wasteful number, since it uses less digits than its factorization.

726535494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952 (or 1940 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 726535494 is about 26954.3223620999. The cubic root of 726535494 is about 898.9846549579.

The spelling of 726535494 in words is "seven hundred twenty-six million, five hundred thirty-five thousand, four hundred ninety-four".