73725842 has 4 divisors (see below), whose sum is σ = 110588766. Its totient is φ = 36862920.

The previous prime is 73725823. The next prime is 73725851. The reversal of 73725842 is 24852737.

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

It can be written as a sum of positive squares in only one way, i.e., 46362481 + 27363361 = 6809^2 + 5231^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73725796 and 73725805.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18431459 + ... + 18431462.

Almost surely, 2^73725842 is an apocalyptic number.

73725842 is a deficient number, since it is larger than the sum of its proper divisors (36862924).

73725842 is a wasteful number, since it uses less digits than its factorization.

73725842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36862923.

The product of its digits is 94080, while the sum is 38.

The square root of 73725842 is about 8586.3753703178. The cubic root of 73725842 is about 419.3145319167.

The spelling of 73725842 in words is "seventy-three million, seven hundred twenty-five thousand, eight hundred forty-two".