103072440 has 64 divisors (see below), whose sum is σ = 310068000. Its totient is φ = 27410432.

The previous prime is 103072429. The next prime is 103072451. The reversal of 103072440 is 44270301.

It is an interprime number because it is at equal distance from previous prime (103072429) and next prime (103072451).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52924 + ... + 54836.

Almost surely, 2^103072440 is an apocalyptic number.

103072440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103072440 is an abundant number, since it is smaller than the sum of its proper divisors (206995560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103072440 is a wasteful number, since it uses less digits than its factorization.

103072440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376 (or 2372 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 103072440 is about 10152.4598004622. The cubic root of 103072440 is about 468.8646809185.

The spelling of 103072440 in words is "one hundred three million, seventy-two thousand, four hundred forty".