7421405464 has 16 divisors (see below), whose sum is σ = 15180147720. Its totient is φ = 3373366080.

The previous prime is 7421405429. The next prime is 7421405477. The reversal of 7421405464 is 4645041247.

It is a super-2 number, since 2×7421405464² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42166989 + ... + 42167164.

Almost surely, 2^7421405464 is an apocalyptic number.

It is an amenable number.

7421405464 is an abundant number, since it is smaller than the sum of its proper divisors (7758742256).

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

7421405464 is a wasteful number, since it uses less digits than its factorization.

7421405464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84334170 (or 84334166 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 37.

The square root of 7421405464 is about 86147.5795597299. The cubic root of 7421405464 is about 1950.5723031126.

The spelling of 7421405464 in words is "seven billion, four hundred twenty-one million, four hundred five thousand, four hundred sixty-four".