71976370 has 16 divisors (see below), whose sum is σ = 136376640. Its totient is φ = 27275184.

The previous prime is 71976353. The next prime is 71976371. The reversal of 71976370 is 7367917.

It is not an unprimeable number, because it can be changed into a prime (71976371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189222 + ... + 189601.

It is an arithmetic number, because the mean of its divisors is an integer number (8523540).

Almost surely, 2^71976370 is an apocalyptic number.

71976370 is a deficient number, since it is larger than the sum of its proper divisors (64400270).

71976370 is a wasteful number, since it uses less digits than its factorization.

71976370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378849.

The product of its (nonzero) digits is 55566, while the sum is 40.

The square root of 71976370 is about 8483.8888488711. Note that the first 4 decimals coincide. The cubic root of 71976370 is about 415.9712481670.

The spelling of 71976370 in words is "seventy-one million, nine hundred seventy-six thousand, three hundred seventy".