76379749 has 2 divisors, whose sum is σ = 76379750. Its totient is φ = 76379748.

The previous prime is 76379713. The next prime is 76379767. The reversal of 76379749 is 94797367.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76300225 + 79524 = 8735^2 + 282^2 .

It is a cyclic number.

It is not a de Polignac number, because 76379749 - 2¹³ = 76371557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76379696 and 76379705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76379789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38189874 + 38189875.

It is an arithmetic number, because the mean of its divisors is an integer number (38189875).

Almost surely, 2^76379749 is an apocalyptic number.

It is an amenable number.

76379749 is a deficient number, since it is larger than the sum of its proper divisors (1).

76379749 is an equidigital number, since it uses as much as digits as its factorization.

76379749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2000376, while the sum is 52.

The square root of 76379749 is about 8739.5508465824. The cubic root of 76379749 is about 424.2866908980.

The spelling of 76379749 in words is "seventy-six million, three hundred seventy-nine thousand, seven hundred forty-nine".