764000408 has 8 divisors (see below), whose sum is σ = 1432500780. Its totient is φ = 382000200.

The previous prime is 764000401. The next prime is 764000411. The reversal of 764000408 is 804000467.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×764000408³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764000401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47750018 + ... + 47750033.

Almost surely, 2^764000408 is an apocalyptic number.

It is an amenable number.

764000408 is a deficient number, since it is larger than the sum of its proper divisors (668500372).

764000408 is a wasteful number, since it uses less digits than its factorization.

764000408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95500057 (or 95500053 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 764000408 is about 27640.5573026305. The cubic root of 764000408 is about 914.1789076592.

The spelling of 764000408 in words is "seven hundred sixty-four million, four hundred eight", and thus it is an aban number.