72861150 has 48 divisors (see below), whose sum is σ = 191331504. Its totient is φ = 18286080.

The previous prime is 72861127. The next prime is 72861161. The reversal of 72861150 is 5116827.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11737 + ... + 16836.

It is an arithmetic number, because the mean of its divisors is an integer number (3986073).

Almost surely, 2^72861150 is an apocalyptic number.

72861150 is an abundant number, since it is smaller than the sum of its proper divisors (118470354).

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

72861150 is a wasteful number, since it uses less digits than its factorization.

72861150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28605 (or 28600 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 72861150 is about 8535.8742961691. The cubic root of 72861150 is about 417.6687737211.

Adding to 72861150 its reverse (5116827), we get a palindrome (77977977).

The spelling of 72861150 in words is "seventy-two million, eight hundred sixty-one thousand, one hundred fifty".