76738747 has 2 divisors, whose sum is σ = 76738748. Its totient is φ = 76738746.

The previous prime is 76738723. The next prime is 76738759. The reversal of 76738747 is 74783767.

It is a strong prime.

It is an emirp because it is prime and its reverse (74783767) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76738747 - 2⁷ = 76738619 is a prime.

It is a super-2 number, since 2×76738747² = 11777670582260018, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76738747.

It is not a weakly prime, because it can be changed into another prime (76738847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38369373 + 38369374.

It is an arithmetic number, because the mean of its divisors is an integer number (38369374).

Almost surely, 2^76738747 is an apocalyptic number.

76738747 is a deficient number, since it is larger than the sum of its proper divisors (1).

76738747 is an equidigital number, since it uses as much as digits as its factorization.

76738747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1382976, while the sum is 49.

The square root of 76738747 is about 8760.0654677919. The cubic root of 76738747 is about 424.9503923644.

The spelling of 76738747 in words is "seventy-six million, seven hundred thirty-eight thousand, seven hundred forty-seven".