73678038337 has 4 divisors (see below), whose sum is σ = 73717251520. Its totient is φ = 73638825156.

The previous prime is 73678038311. The next prime is 73678038341. The reversal of 73678038337 is 73383087637.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73678038337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73678098337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19603773 + ... + 19607530.

It is an arithmetic number, because the mean of its divisors is an integer number (18429312880).

Almost surely, 2^73678038337 is an apocalyptic number.

It is an amenable number.

73678038337 is a deficient number, since it is larger than the sum of its proper divisors (39213183).

73678038337 is a wasteful number, since it uses less digits than its factorization.

73678038337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39213182.

The product of its (nonzero) digits is 10668672, while the sum is 55.

The spelling of 73678038337 in words is "seventy-three billion, six hundred seventy-eight million, thirty-eight thousand, three hundred thirty-seven".