72061244 has 12 divisors (see below), whose sum is σ = 126768768. Its totient is φ = 35841600.

The previous prime is 72061217. The next prime is 72061261. The reversal of 72061244 is 44216027.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46397 + ... + 47924.

It is an arithmetic number, because the mean of its divisors is an integer number (10564064).

Almost surely, 2^72061244 is an apocalyptic number.

It is an amenable number.

72061244 is a deficient number, since it is larger than the sum of its proper divisors (54707524).

72061244 is a wasteful number, since it uses less digits than its factorization.

72061244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94516 (or 94514 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 72061244 is about 8488.8894444444. The cubic root of 72061244 is about 416.1346873420.

The spelling of 72061244 in words is "seventy-two million, sixty-one thousand, two hundred forty-four".