76749629 has 4 divisors (see below), whose sum is σ = 83726880. Its totient is φ = 69772380.

The previous prime is 76749623. The next prime is 76749641. The reversal of 76749629 is 92694767.

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, and also an emirpimes, since its reverse is a distinct semiprime: 92694767 = 11 ⋅8426797.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76749629 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 (76749623) 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, 3488609 + ... + 3488630.

It is an arithmetic number, because the mean of its divisors is an integer number (20931720).

Almost surely, 2^76749629 is an apocalyptic number.

It is an amenable number.

76749629 is a deficient number, since it is larger than the sum of its proper divisors (6977251).

76749629 is a wasteful number, since it uses less digits than its factorization.

76749629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6977250.

The product of its digits is 1143072, while the sum is 50.

The square root of 76749629 is about 8760.6865598536. The cubic root of 76749629 is about 424.9704782262.

The spelling of 76749629 in words is "seventy-six million, seven hundred forty-nine thousand, six hundred twenty-nine".