7646206404 has 24 divisors (see below), whose sum is σ = 18780156640. Its totient is φ = 2414591424.

The previous prime is 7646206397. The next prime is 7646206409. The reversal of 7646206404 is 4046026467.

It is a super-2 number, since 2×7646206404² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7646206409) 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, 16767769 + ... + 16768224.

Almost surely, 2^7646206404 is an apocalyptic number.

It is an amenable number.

7646206404 is an abundant number, since it is smaller than the sum of its proper divisors (11133950236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7646206404 is a wasteful number, since it uses less digits than its factorization.

7646206404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33536019 (or 33536017 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 39.

The square root of 7646206404 is about 87442.5891885642. The cubic root of 7646206404 is about 1970.0715790770.

The spelling of 7646206404 in words is "seven billion, six hundred forty-six million, two hundred six thousand, four hundred four".