76020381 has 6 divisors (see below), whose sum is σ = 109807230. Its totient is φ = 50680248.

The previous prime is 76020367. The next prime is 76020383. The reversal of 76020381 is 18302067.

It can be written as a sum of positive squares in only one way, i.e., 71673156 + 4347225 = 8466^2 + 2085^2 .

It is not a de Polignac number, because 76020381 - 2¹¹ = 76018333 is a prime.

It is a super-2 number, since 2×76020381² = 11558196654770322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76020383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4223346 + ... + 4223363.

It is an arithmetic number, because the mean of its divisors is an integer number (18301205).

Almost surely, 2^76020381 is an apocalyptic number.

It is an amenable number.

76020381 is a deficient number, since it is larger than the sum of its proper divisors (33786849).

76020381 is a wasteful number, since it uses less digits than its factorization.

76020381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8446715 (or 8446712 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 76020381 is about 8718.9667392415. The cubic root of 76020381 is about 423.6202192169.

The spelling of 76020381 in words is "seventy-six million, twenty thousand, three hundred eighty-one".