74001547420 has 12 divisors (see below), whose sum is σ = 155403249624. Its totient is φ = 29600618960.

The previous prime is 74001547393. The next prime is 74001547457. The reversal of 74001547420 is 2474510047.

It is a happy number.

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, 1850038666 + ... + 1850038705.

It is an arithmetic number, because the mean of its divisors is an integer number (12950270802).

Almost surely, 2^74001547420 is an apocalyptic number.

It is an amenable number.

74001547420 is an abundant number, since it is smaller than the sum of its proper divisors (81401702204).

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

74001547420 is a wasteful number, since it uses less digits than its factorization.

74001547420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700077380 (or 3700077378 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 34.

The spelling of 74001547420 in words is "seventy-four billion, one million, five hundred forty-seven thousand, four hundred twenty".