72742598 has 4 divisors (see below), whose sum is σ = 109113900. Its totient is φ = 36371298.

The previous prime is 72742591. The next prime is 72742601. The reversal of 72742598 is 89524727.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72742591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18185648 + ... + 18185651.

It is an arithmetic number, because the mean of its divisors is an integer number (27278475).

Almost surely, 2^72742598 is an apocalyptic number.

72742598 is a deficient number, since it is larger than the sum of its proper divisors (36371302).

72742598 is a wasteful number, since it uses less digits than its factorization.

72742598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36371301.

The product of its digits is 282240, while the sum is 44.

The square root of 72742598 is about 8528.9271306537. The cubic root of 72742598 is about 417.4421218487.

The spelling of 72742598 in words is "seventy-two million, seven hundred forty-two thousand, five hundred ninety-eight".