7421401476 has 72 divisors (see below), whose sum is σ = 20325168864. Its totient is φ = 2274128640.

The previous prime is 7421401417. The next prime is 7421401483. The reversal of 7421401476 is 6741041247.

It is a happy number.

7421401476 is a `hidden beast` number, since 7 + 42 + 140 + 1 + 476 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 7421401476.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114690 + ... + 167321.

It is an arithmetic number, because the mean of its divisors is an integer number (282294012).

Almost surely, 2^7421401476 is an apocalyptic number.

It is an amenable number.

7421401476 is an abundant number, since it is smaller than the sum of its proper divisors (12903767388).

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

7421401476 is a wasteful number, since it uses less digits than its factorization.

7421401476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282081 (or 282076 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 7421401476 is about 86147.5564134004. The cubic root of 7421401476 is about 1950.5719537231.

The spelling of 7421401476 in words is "seven billion, four hundred twenty-one million, four hundred one thousand, four hundred seventy-six".