764140401 has 24 divisors (see below), whose sum is σ = 1168390080. Its totient is φ = 480414816.

The previous prime is 764140381. The next prime is 764140409. The reversal of 764140401 is 104041467.

It is not a de Polignac number, because 764140401 - 2⁶ = 764140337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (764140409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22821 + ... + 45266.

It is an arithmetic number, because the mean of its divisors is an integer number (48682920).

Almost surely, 2^764140401 is an apocalyptic number.

It is an amenable number.

764140401 is a deficient number, since it is larger than the sum of its proper divisors (404249679).

764140401 is a wasteful number, since it uses less digits than its factorization.

764140401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68165 (or 68162 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 764140401 is about 27643.0895704514. The cubic root of 764140401 is about 914.2347413256.

Adding to 764140401 its reverse (104041467), we get a palindrome (868181868).

The spelling of 764140401 in words is "seven hundred sixty-four million, one hundred forty thousand, four hundred one".