73987371 has 16 divisors (see below), whose sum is σ = 111001600. Its totient is φ = 48699144.

The previous prime is 73987369. The next prime is 73987379. The reversal of 73987371 is 17378937.

It is not a de Polignac number, because 73987371 - 2¹ = 73987369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73987379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15211 + ... + 19476.

It is an arithmetic number, because the mean of its divisors is an integer number (6937600).

Almost surely, 2^73987371 is an apocalyptic number.

73987371 is a deficient number, since it is larger than the sum of its proper divisors (37014229).

73987371 is a wasteful number, since it uses less digits than its factorization.

73987371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34775 (or 34769 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The square root of 73987371 is about 8601.5911900066. The cubic root of 73987371 is about 419.8097607828.

The spelling of 73987371 in words is "seventy-three million, nine hundred eighty-seven thousand, three hundred seventy-one".