72037834 has 24 divisors (see below), whose sum is σ = 119508480. Its totient is φ = 32541960.

The previous prime is 72037813. The next prime is 72037877. The reversal of 72037834 is 43873027.

It is a self number, because there is not a number n which added to its sum of digits gives 72037834.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42487 + ... + 44149.

It is an arithmetic number, because the mean of its divisors is an integer number (4979520).

Almost surely, 2^72037834 is an apocalyptic number.

72037834 is a deficient number, since it is larger than the sum of its proper divisors (47470646).

72037834 is a wasteful number, since it uses less digits than its factorization.

72037834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866 (or 1855 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 72037834 is about 8487.5104712748. The cubic root of 72037834 is about 416.0896202686.

The spelling of 72037834 in words is "seventy-two million, thirty-seven thousand, eight hundred thirty-four".