76623231 has 4 divisors (see below), whose sum is σ = 102164312. Its totient is φ = 51082152.

The previous prime is 76623229. The next prime is 76623269. The reversal of 76623231 is 13232667.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 76623231 - 2¹ = 76623229 is a prime.

It is a super-2 number, since 2×76623231² = 11742239057758722, 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 (76623031) 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, 12770536 + ... + 12770541.

It is an arithmetic number, because the mean of its divisors is an integer number (25541078).

Almost surely, 2^76623231 is an apocalyptic number.

76623231 is a deficient number, since it is larger than the sum of its proper divisors (25541081).

76623231 is a wasteful number, since it uses less digits than its factorization.

76623231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25541080.

The product of its digits is 9072, while the sum is 30.

The square root of 76623231 is about 8753.4696549425. The cubic root of 76623231 is about 424.7370571923.

Adding to 76623231 its reverse (13232667), we get a palindrome (89855898).

The spelling of 76623231 in words is "seventy-six million, six hundred twenty-three thousand, two hundred thirty-one".