72883857 has 8 divisors (see below), whose sum is σ = 98509984. Its totient is φ = 47923488.

The previous prime is 72883847. The next prime is 72883897. The reversal of 72883857 is 75838827.

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

It is not a de Polignac number, because 72883857 - 2⁴ = 72883841 is a prime.

It is a super-2 number, since 2×72883857² = 10624113222392898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72883807) by changing a digit.

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, 166183 + ... + 166620.

It is an arithmetic number, because the mean of its divisors is an integer number (12313748).

Almost surely, 2^72883857 is an apocalyptic number.

It is an amenable number.

72883857 is a deficient number, since it is larger than the sum of its proper divisors (25626127).

72883857 is a wasteful number, since it uses less digits than its factorization.

72883857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332879.

The product of its digits is 752640, while the sum is 48.

The square root of 72883857 is about 8537.2042847761. The cubic root of 72883857 is about 417.7121577000.

The spelling of 72883857 in words is "seventy-two million, eight hundred eighty-three thousand, eight hundred fifty-seven".