140073737 has 4 divisors (see below), whose sum is σ = 140123856. Its totient is φ = 140023620.

The previous prime is 140073721. The next prime is 140073743. The reversal of 140073737 is 737370041.

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 not a de Polignac number, because 140073737 - 2⁴ = 140073721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140073137) 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, 20603 + ... + 26544.

It is an arithmetic number, because the mean of its divisors is an integer number (35030964).

Almost surely, 2^140073737 is an apocalyptic number.

It is an amenable number.

140073737 is a deficient number, since it is larger than the sum of its proper divisors (50119).

140073737 is an equidigital number, since it uses as much as digits as its factorization.

140073737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50118.

The product of its (nonzero) digits is 12348, while the sum is 32.

The square root of 140073737 is about 11835.2751129832. The cubic root of 140073737 is about 519.3405558369.

The spelling of 140073737 in words is "one hundred forty million, seventy-three thousand, seven hundred thirty-seven".