76481031 has 16 divisors (see below), whose sum is σ = 113960448. Its totient is φ = 45220800.

The previous prime is 76481029. The next prime is 76481059. The reversal of 76481031 is 13018467.

It is a happy number.

It is not a de Polignac number, because 76481031 - 2¹ = 76481029 is a prime.

It is a super-2 number, since 2×76481031² = 11698696205645922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76481031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76481021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26911 + ... + 29616.

It is an arithmetic number, because the mean of its divisors is an integer number (7122528).

Almost surely, 2^76481031 is an apocalyptic number.

76481031 is a deficient number, since it is larger than the sum of its proper divisors (37479417).

76481031 is a wasteful number, since it uses less digits than its factorization.

76481031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56582.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 76481031 is about 8745.3433894845. The cubic root of 76481031 is about 424.4741473238.

Adding to 76481031 its reverse (13018467), we get a palindrome (89499498).

The spelling of 76481031 in words is "seventy-six million, four hundred eighty-one thousand, thirty-one".