103749437 has 4 divisors (see below), whose sum is σ = 113181216. Its totient is φ = 94317660.

The previous prime is 103749431. The next prime is 103749439. The reversal of 103749437 is 734947301.

It is a happy number.

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 103749437 - 2⁴ = 103749421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103749437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103749431) 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, 4715873 + ... + 4715894.

It is an arithmetic number, because the mean of its divisors is an integer number (28295304).

Almost surely, 2^103749437 is an apocalyptic number.

It is an amenable number.

103749437 is a deficient number, since it is larger than the sum of its proper divisors (9431779).

103749437 is an equidigital number, since it uses as much as digits as its factorization.

103749437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9431778.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 103749437 is about 10185.7467571111. The cubic root of 103749437 is about 469.8889687928. Note that the first 3 decimals are identical.

The spelling of 103749437 in words is "one hundred three million, seven hundred forty-nine thousand, four hundred thirty-seven".