72692242 has 16 divisors (see below), whose sum is σ = 124797312. Its totient is φ = 31108320.

The previous prime is 72692219. The next prime is 72692287. The reversal of 72692242 is 24229627.

It is a junction number, because it is equal to n+sod(n) for n = 72692198 and 72692207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7243 + ... + 14065.

It is an arithmetic number, because the mean of its divisors is an integer number (7799832).

Almost surely, 2^72692242 is an apocalyptic number.

72692242 is a deficient number, since it is larger than the sum of its proper divisors (52105070).

72692242 is a wasteful number, since it uses less digits than its factorization.

72692242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7593.

The product of its digits is 24192, while the sum is 34.

The square root of 72692242 is about 8525.9745484021. The cubic root of 72692242 is about 417.3457749650.

The spelling of 72692242 in words is "seventy-two million, six hundred ninety-two thousand, two hundred forty-two".