72050631 has 8 divisors (see below), whose sum is σ = 96499200. Its totient is φ = 47817912.

The previous prime is 72050617. The next prime is 72050639. The reversal of 72050631 is 13605027.

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

It is not a de Polignac number, because 72050631 - 2⁹ = 72050119 is a prime.

It is a super-2 number, since 2×72050631² = 10382586854996322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72050639) 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, 53181 + ... + 54518.

It is an arithmetic number, because the mean of its divisors is an integer number (12062400).

Almost surely, 2^72050631 is an apocalyptic number.

72050631 is a deficient number, since it is larger than the sum of its proper divisors (24448569).

72050631 is a wasteful number, since it uses less digits than its factorization.

72050631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107925.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 72050631 is about 8488.2643102109. The cubic root of 72050631 is about 416.1142572466.

Adding to 72050631 its reverse (13605027), we get a palindrome (85655658).

The spelling of 72050631 in words is "seventy-two million, fifty thousand, six hundred thirty-one".