76734425 has 12 divisors (see below), whose sum is σ = 95785536. Its totient is φ = 60978000.

The previous prime is 76734421. The next prime is 76734431. The reversal of 76734425 is 52443767.

It is not a de Polignac number, because 76734425 - 2² = 76734421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (76734421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6389 + ... + 13938.

It is an arithmetic number, because the mean of its divisors is an integer number (7982128).

Almost surely, 2^76734425 is an apocalyptic number.

It is an amenable number.

76734425 is a deficient number, since it is larger than the sum of its proper divisors (19051111).

76734425 is a wasteful number, since it uses less digits than its factorization.

76734425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20488 (or 20483 counting only the distinct ones).

The product of its digits is 141120, while the sum is 38.

The square root of 76734425 is about 8759.8187766643. The cubic root of 76734425 is about 424.9424143431.

The spelling of 76734425 in words is "seventy-six million, seven hundred thirty-four thousand, four hundred twenty-five".