76749071 has 4 divisors (see below), whose sum is σ = 87713232. Its totient is φ = 65784912.

The previous prime is 76749059. The next prime is 76749077. The reversal of 76749071 is 17094767.

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

It is a cyclic number.

It is not a de Polignac number, because 76749071 - 2¹⁴ = 76732687 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 (76749077) 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, 5482070 + ... + 5482083.

It is an arithmetic number, because the mean of its divisors is an integer number (21928308).

Almost surely, 2^76749071 is an apocalyptic number.

76749071 is a deficient number, since it is larger than the sum of its proper divisors (10964161).

76749071 is a wasteful number, since it uses less digits than its factorization.

76749071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10964160.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 76749071 is about 8760.6547129767. The cubic root of 76749071 is about 424.9694483228.

The spelling of 76749071 in words is "seventy-six million, seven hundred forty-nine thousand, seventy-one".