105470840 has 32 divisors (see below), whose sum is σ = 237708000. Its totient is φ = 42117504.

The previous prime is 105470809. The next prime is 105470857. The reversal of 105470840 is 48074501.

It is a super-2 number, since 2×105470840² = 22248196180611200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26501 + ... + 30219.

It is an arithmetic number, because the mean of its divisors is an integer number (7428375).

Almost surely, 2^105470840 is an apocalyptic number.

105470840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105470840 is an abundant number, since it is smaller than the sum of its proper divisors (132237160).

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

105470840 is a wasteful number, since it uses less digits than its factorization.

105470840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4439 (or 4435 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 105470840 is about 10269.8997073973. The cubic root of 105470840 is about 472.4735145611.

The spelling of 105470840 in words is "one hundred five million, four hundred seventy thousand, eight hundred forty".