76742691 has 8 divisors (see below), whose sum is σ = 107709120. Its totient is φ = 48469032.

The previous prime is 76742683. The next prime is 76742711. The reversal of 76742691 is 19624767.

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

It is not a de Polignac number, because 76742691 - 2³ = 76742683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76742621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673125 + ... + 673238.

It is an arithmetic number, because the mean of its divisors is an integer number (13463640).

Almost surely, 2^76742691 is an apocalyptic number.

76742691 is a deficient number, since it is larger than the sum of its proper divisors (30966429).

76742691 is a wasteful number, since it uses less digits than its factorization.

76742691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346385.

The product of its digits is 127008, while the sum is 42.

The square root of 76742691 is about 8760.2905773724. The cubic root of 76742691 is about 424.9576723705.

The spelling of 76742691 in words is "seventy-six million, seven hundred forty-two thousand, six hundred ninety-one".