724141591 has 4 divisors (see below), whose sum is σ = 755626032. Its totient is φ = 692657152.

The previous prime is 724141529. The next prime is 724141651. The reversal of 724141591 is 195141427.

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

It is a cyclic number.

It is not a de Polignac number, because 724141591 - 2¹⁵ = 724108823 is a prime.

It is a super-2 number, since 2×724141591² = 1048762087632022562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724141501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15742186 + ... + 15742231.

It is an arithmetic number, because the mean of its divisors is an integer number (188906508).

Almost surely, 2^724141591 is an apocalyptic number.

724141591 is a deficient number, since it is larger than the sum of its proper divisors (31484441).

724141591 is a wasteful number, since it uses less digits than its factorization.

724141591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31484440.

The product of its digits is 10080, while the sum is 34.

The square root of 724141591 is about 26909.8790595573. The cubic root of 724141591 is about 897.9961966793.

The spelling of 724141591 in words is "seven hundred twenty-four million, one hundred forty-one thousand, five hundred ninety-one".