76149742 has 4 divisors (see below), whose sum is σ = 114224616. Its totient is φ = 38074870.

The previous prime is 76149709. The next prime is 76149743. The reversal of 76149742 is 24794167.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 76149695 and 76149704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76149743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19037434 + ... + 19037437.

It is an arithmetic number, because the mean of its divisors is an integer number (28556154).

Almost surely, 2^76149742 is an apocalyptic number.

76149742 is a deficient number, since it is larger than the sum of its proper divisors (38074874).

76149742 is a wasteful number, since it uses less digits than its factorization.

76149742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38074873.

The product of its digits is 84672, while the sum is 40.

The square root of 76149742 is about 8726.3819535934. The cubic root of 76149742 is about 423.8603692055.

The spelling of 76149742 in words is "seventy-six million, one hundred forty-nine thousand, seven hundred forty-two".