72823754 has 8 divisors (see below), whose sum is σ = 110202660. Its totient is φ = 36089536.

The previous prime is 72823741. The next prime is 72823757. The reversal of 72823754 is 45732827.

It can be written as a sum of positive squares in 2 ways, for example, as 60762025 + 12061729 = 7795^2 + 3473^2 .

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

It is not an unprimeable number, because it can be changed into a prime (72823757) 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, 160889 + ... + 161340.

Almost surely, 2^72823754 is an apocalyptic number.

72823754 is a deficient number, since it is larger than the sum of its proper divisors (37378906).

72823754 is a wasteful number, since it uses less digits than its factorization.

72823754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322344.

The product of its digits is 94080, while the sum is 38.

The square root of 72823754 is about 8533.6834954198. The cubic root of 72823754 is about 417.5973052984.

The spelling of 72823754 in words is "seventy-two million, eight hundred twenty-three thousand, seven hundred fifty-four".