103400730 has 48 divisors (see below), whose sum is σ = 272263680. Its totient is φ = 27222624.

The previous prime is 103400719. The next prime is 103400797. The reversal of 103400730 is 37004301.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162 + ... + 14381.

It is an arithmetic number, because the mean of its divisors is an integer number (5672160).

Almost surely, 2^103400730 is an apocalyptic number.

103400730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 103400730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136131840).

103400730 is an abundant number, since it is smaller than the sum of its proper divisors (168862950).

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

103400730 is a wasteful number, since it uses less digits than its factorization.

103400730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14635 (or 14632 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 103400730 is about 10168.6149499330. The cubic root of 103400730 is about 469.3619378541.

The spelling of 103400730 in words is "one hundred three million, four hundred thousand, seven hundred thirty".