72825542 has 8 divisors (see below), whose sum is σ = 109279800. Its totient is φ = 36398944.

The previous prime is 72825539. The next prime is 72825547. The reversal of 72825542 is 24552827.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72825547) 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, 1934 + ... + 12222.

It is an arithmetic number, because the mean of its divisors is an integer number (13659975).

Almost surely, 2^72825542 is an apocalyptic number.

72825542 is a deficient number, since it is larger than the sum of its proper divisors (36454258).

72825542 is a wasteful number, since it uses less digits than its factorization.

72825542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13830.

The product of its digits is 44800, while the sum is 35.

The square root of 72825542 is about 8533.7882561029. The cubic root of 72825542 is about 417.6007229464.

The spelling of 72825542 in words is "seventy-two million, eight hundred twenty-five thousand, five hundred forty-two".