7946472408 has 32 divisors (see below), whose sum is σ = 22704207360. Its totient is φ = 2270420640.

The previous prime is 7946472397. The next prime is 7946472409. The reversal of 7946472408 is 8042746497.

It is a happy number.

It is a super-2 number, since 2×7946472408² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7946472409) 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, 23650048 + ... + 23650383.

It is an arithmetic number, because the mean of its divisors is an integer number (709506480).

Almost surely, 2^7946472408 is an apocalyptic number.

It is an amenable number.

7946472408 is an abundant number, since it is smaller than the sum of its proper divisors (14757734952).

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

7946472408 is a wasteful number, since it uses less digits than its factorization.

7946472408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47300447 (or 47300443 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 51.

The square root of 7946472408 is about 89142.9885521009. The cubic root of 7946472408 is about 1995.5293815647.

The spelling of 7946472408 in words is "seven billion, nine hundred forty-six million, four hundred seventy-two thousand, four hundred eight".