73821429090 has 48 divisors (see below), whose sum is σ = 192172571136. Its totient is φ = 19661421600.

The previous prime is 73821429023. The next prime is 73821429107. The reversal of 73821429090 is 9092412837.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 432706 + ... + 578685.

It is an arithmetic number, because the mean of its divisors is an integer number (4003595232).

Almost surely, 2^73821429090 is an apocalyptic number.

73821429090 is an abundant number, since it is smaller than the sum of its proper divisors (118351142046).

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

73821429090 is a wasteful number, since it uses less digits than its factorization.

73821429090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012215 (or 1012212 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 73821429090 in words is "seventy-three billion, eight hundred twenty-one million, four hundred twenty-nine thousand, ninety".