103274640 has 240 divisors, whose sum is σ = 409783296. Its totient is φ = 22809600.

The previous prime is 103274629. The next prime is 103274641. The reversal of 103274640 is 46472301.

103274640 is a `hidden beast` number, since 10 + 3 + 2 + 7 + 4 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is not an unprimeable number, because it can be changed into a prime (103274641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 155910 + ... + 156570.

Almost surely, 2^103274640 is an apocalyptic number.

103274640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103274640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204891648).

103274640 is an abundant number, since it is smaller than the sum of its proper divisors (306508656).

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

103274640 is a wasteful number, since it uses less digits than its factorization.

103274640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 103274640 is about 10162.4130992594. The cubic root of 103274640 is about 469.1710755036.

The spelling of 103274640 in words is "one hundred three million, two hundred seventy-four thousand, six hundred forty".