76269721 has 8 divisors (see below), whose sum is σ = 83297088. Its totient is φ = 69258000.

The previous prime is 76269719. The next prime is 76269727. The reversal of 76269721 is 12796267.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76269721 - 2¹ = 76269719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76269727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7836 + ... + 14626.

It is an arithmetic number, because the mean of its divisors is an integer number (10412136).

Almost surely, 2^76269721 is an apocalyptic number.

It is an amenable number.

76269721 is a deficient number, since it is larger than the sum of its proper divisors (7027367).

76269721 is a wasteful number, since it uses less digits than its factorization.

76269721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7823.

The product of its digits is 63504, while the sum is 40.

The square root of 76269721 is about 8733.2537464567. The cubic root of 76269721 is about 424.0828591624.

The spelling of 76269721 in words is "seventy-six million, two hundred sixty-nine thousand, seven hundred twenty-one".