72869750 has 96 divisors (see below), whose sum is σ = 155282400. Its totient is φ = 25502400.

The previous prime is 72869749. The next prime is 72869759. The reversal of 72869750 is 5796827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72869759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2512736 + ... + 2512764.

It is an arithmetic number, because the mean of its divisors is an integer number (1617525).

Almost surely, 2^72869750 is an apocalyptic number.

72869750 is an abundant number, since it is smaller than the sum of its proper divisors (82412650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72869750 is a wasteful number, since it uses less digits than its factorization.

72869750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 72869750 is about 8536.3780375520. The cubic root of 72869750 is about 417.6852059356.

The spelling of 72869750 in words is "seventy-two million, eight hundred sixty-nine thousand, seven hundred fifty".