1474648021 has 32 divisors (see below), whose sum is σ = 1909334016. Its totient is φ = 1105272000.

The previous prime is 1474648009. The next prime is 1474648027. The reversal of 1474648021 is 1208464741.

It is a happy number.

It is not a de Polignac number, because 1474648021 - 2⁵ = 1474647989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1474648027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 411166 + ... + 414736.

It is an arithmetic number, because the mean of its divisors is an integer number (59666688).

Almost surely, 2^1474648021 is an apocalyptic number.

1474648021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1474648021 is a deficient number, since it is larger than the sum of its proper divisors (434685995).

1474648021 is a wasteful number, since it uses less digits than its factorization.

1474648021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 1474648021 is about 38401.1460896677. The cubic root of 1474648021 is about 1138.2285046501.

The spelling of 1474648021 in words is "one billion, four hundred seventy-four million, six hundred forty-eight thousand, twenty-one".