77472105 has 8 divisors (see below), whose sum is σ = 123955392. Its totient is φ = 41318448.

The previous prime is 77472071. The next prime is 77472113. The reversal of 77472105 is 50127477.

It is a happy number.

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

It is not a de Polignac number, because 77472105 - 2¹² = 77468009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2582389 + ... + 2582418.

It is an arithmetic number, because the mean of its divisors is an integer number (15494424).

Almost surely, 2^77472105 is an apocalyptic number.

It is an amenable number.

77472105 is a deficient number, since it is larger than the sum of its proper divisors (46483287).

77472105 is a wasteful number, since it uses less digits than its factorization.

77472105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5164815.

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 77472105 is about 8801.8239587031. The cubic root of 77472105 is about 426.2997900805.

It can be divided in two parts, 77472 and 105, that added together give a palindrome (77577).

The spelling of 77472105 in words is "seventy-seven million, four hundred seventy-two thousand, one hundred five".