73783631 has 8 divisors (see below), whose sum is σ = 78438000. Its totient is φ = 69206400.

The previous prime is 73783603. The next prime is 73783643. The reversal of 73783631 is 13638737.

It is a happy number.

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 73783631 - 2¹⁴ = 73767247 is a prime.

It is a super-2 number, since 2×73783631² = 10888048407088322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73783691) 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, 17306 + ... + 21143.

It is an arithmetic number, because the mean of its divisors is an integer number (9804750).

Almost surely, 2^73783631 is an apocalyptic number.

73783631 is a deficient number, since it is larger than the sum of its proper divisors (4654369).

73783631 is a wasteful number, since it uses less digits than its factorization.

73783631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38569.

The product of its digits is 63504, while the sum is 38.

The square root of 73783631 is about 8589.7398680053. The cubic root of 73783631 is about 419.4240613043.

The spelling of 73783631 in words is "seventy-three million, seven hundred eighty-three thousand, six hundred thirty-one".