73807397 has 4 divisors (see below), whose sum is σ = 74568396. Its totient is φ = 73046400.

The previous prime is 73807379. The next prime is 73807417. The reversal of 73807397 is 79370837.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33535681 + 40271716 = 5791^2 + 6346^2 .

It is a cyclic number.

It is not a de Polignac number, because 73807397 - 2¹⁴ = 73791013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73807367) 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, 380354 + ... + 380547.

It is an arithmetic number, because the mean of its divisors is an integer number (18642099).

Almost surely, 2^73807397 is an apocalyptic number.

It is an amenable number.

73807397 is a deficient number, since it is larger than the sum of its proper divisors (760999).

73807397 is an equidigital number, since it uses as much as digits as its factorization.

73807397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760998.

The product of its (nonzero) digits is 222264, while the sum is 44.

The square root of 73807397 is about 8591.1231512533. The cubic root of 73807397 is about 419.4690891877.

The spelling of 73807397 in words is "seventy-three million, eight hundred seven thousand, three hundred ninety-seven".