76312349 has 4 divisors (see below), whose sum is σ = 77936064. Its totient is φ = 74688636.

The previous prime is 76312339. The next prime is 76312363. The reversal of 76312349 is 94321367.

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.

It is a cyclic number.

It is not a de Polignac number, because 76312349 - 2¹⁶ = 76246813 is a prime.

It is a super-3 number, since 3×76312349³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76312309) 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, 811787 + ... + 811880.

It is an arithmetic number, because the mean of its divisors is an integer number (19484016).

Almost surely, 2^76312349 is an apocalyptic number.

It is an amenable number.

76312349 is a deficient number, since it is larger than the sum of its proper divisors (1623715).

76312349 is a wasteful number, since it uses less digits than its factorization.

76312349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623714.

The product of its digits is 27216, while the sum is 35.

The square root of 76312349 is about 8735.6939621303. The cubic root of 76312349 is about 424.1618526650.

The spelling of 76312349 in words is "seventy-six million, three hundred twelve thousand, three hundred forty-nine".