34578292021 has 80 divisors (see below), whose sum is σ = 45300012800. Its totient is φ = 26212927104.

The previous prime is 34578291997. The next prime is 34578292051. The reversal of 34578292021 is 12029287543.

It is not a de Polignac number, because 34578292021 - 2⁹ = 34578291509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34578292051) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 91235410 + ... + 91235788.

It is an arithmetic number, because the mean of its divisors is an integer number (566250160).

Almost surely, 2^34578292021 is an apocalyptic number.

It is an amenable number.

34578292021 is a deficient number, since it is larger than the sum of its proper divisors (10721720779).

34578292021 is an equidigital number, since it uses as much as digits as its factorization.

34578292021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 34578292021 in words is "thirty-four billion, five hundred seventy-eight million, two hundred ninety-two thousand, twenty-one".