72377242 has 16 divisors (see below), whose sum is σ = 124251840. Its totient is φ = 30974688.

The previous prime is 72377191. The next prime is 72377257. The reversal of 72377242 is 24277327.

It is a junction number, because it is equal to n+sod(n) for n = 72377198 and 72377207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7734 + ... + 14302.

It is an arithmetic number, because the mean of its divisors is an integer number (7765740).

Almost surely, 2^72377242 is an apocalyptic number.

72377242 is a deficient number, since it is larger than the sum of its proper divisors (51874598).

72377242 is a wasteful number, since it uses less digits than its factorization.

72377242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7365.

The product of its digits is 32928, while the sum is 34.

The square root of 72377242 is about 8507.4815309820. The cubic root of 72377242 is about 416.7420687718.

The spelling of 72377242 in words is "seventy-two million, three hundred seventy-seven thousand, two hundred forty-two".