76748861 has 8 divisors (see below), whose sum is σ = 91526784. Its totient is φ = 62924400.

The previous prime is 76748849. The next prime is 76748869. The reversal of 76748861 is 16884767.

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

It is not a de Polignac number, because 76748861 - 2¹⁴ = 76732477 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 (76748869) 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, 238190 + ... + 238511.

It is an arithmetic number, because the mean of its divisors is an integer number (11440848).

Almost surely, 2^76748861 is an apocalyptic number.

It is an amenable number.

76748861 is a deficient number, since it is larger than the sum of its proper divisors (14777923).

76748861 is a wasteful number, since it uses less digits than its factorization.

76748861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476731.

The product of its digits is 451584, while the sum is 47.

The square root of 76748861 is about 8760.6427275629. The cubic root of 76748861 is about 424.9690607235.

The spelling of 76748861 in words is "seventy-six million, seven hundred forty-eight thousand, eight hundred sixty-one".