73671551990 has 8 divisors (see below), whose sum is σ = 132608793600. Its totient is φ = 29468620792.

The previous prime is 73671551911. The next prime is 73671552013. The reversal of 73671551990 is 9915517637.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 3683577590 + ... + 3683577609.

It is an arithmetic number, because the mean of its divisors is an integer number (16576099200).

Almost surely, 2^73671551990 is an apocalyptic number.

73671551990 is a deficient number, since it is larger than the sum of its proper divisors (58937241610).

73671551990 is a wasteful number, since it uses less digits than its factorization.

73671551990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7367155206.

The product of its (nonzero) digits is 1786050, while the sum is 53.

The spelling of 73671551990 in words is "seventy-three billion, six hundred seventy-one million, five hundred fifty-one thousand, nine hundred ninety".