756672413 has 4 divisors (see below), whose sum is σ = 864768480. Its totient is φ = 648576348.

The previous prime is 756672403. The next prime is 756672421. The reversal of 756672413 is 314276657.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 314276657 = 59 ⋅5326723.

It is a de Polignac number, because none of the positive numbers 2^k-756672413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (756672403) 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, 54048023 + ... + 54048036.

It is an arithmetic number, because the mean of its divisors is an integer number (216192120).

Almost surely, 2^756672413 is an apocalyptic number.

It is an amenable number.

756672413 is a deficient number, since it is larger than the sum of its proper divisors (108096067).

756672413 is a wasteful number, since it uses less digits than its factorization.

756672413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108096066.

The product of its digits is 211680, while the sum is 41.

The square root of 756672413 is about 27507.6791641898. The cubic root of 756672413 is about 911.2466964354.

The spelling of 756672413 in words is "seven hundred fifty-six million, six hundred seventy-two thousand, four hundred thirteen".