73872782 has 8 divisors (see below), whose sum is σ = 110969352. Its totient is φ = 36883000.

The previous prime is 73872761. The next prime is 73872787. The reversal of 73872782 is 28727837.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73872787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24944 + ... + 27747.

It is an arithmetic number, because the mean of its divisors is an integer number (13871169).

Almost surely, 2^73872782 is an apocalyptic number.

73872782 is a deficient number, since it is larger than the sum of its proper divisors (37096570).

73872782 is a wasteful number, since it uses less digits than its factorization.

73872782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53394.

The product of its digits is 263424, while the sum is 44.

The square root of 73872782 is about 8594.9276902136. The cubic root of 73872782 is about 419.5929200069.

The spelling of 73872782 in words is "seventy-three million, eight hundred seventy-two thousand, seven hundred eighty-two".