72937847 has 8 divisors (see below), whose sum is σ = 74997120. Its totient is φ = 70895160.

The previous prime is 72937831. The next prime is 72937861. The reversal of 72937847 is 74873927.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72937847 - 2⁴ = 72937831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72937817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5054 + ... + 13092.

It is an arithmetic number, because the mean of its divisors is an integer number (9374640).

Almost surely, 2^72937847 is an apocalyptic number.

72937847 is a deficient number, since it is larger than the sum of its proper divisors (2059273).

72937847 is a wasteful number, since it uses less digits than its factorization.

72937847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8293.

The product of its digits is 592704, while the sum is 47.

The square root of 72937847 is about 8540.3657415827. The cubic root of 72937847 is about 417.8152747868.

The spelling of 72937847 in words is "seventy-two million, nine hundred thirty-seven thousand, eight hundred forty-seven".