29813480 has 16 divisors (see below), whose sum is σ = 67080420. Its totient is φ = 11925376.

The previous prime is 29813473. The next prime is 29813521. The reversal of 29813480 is 8431892.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29789764 + 23716 = 5458^2 + 154^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 29813480.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372629 + ... + 372708.

Almost surely, 2^29813480 is an apocalyptic number.

29813480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29813480 is an abundant number, since it is smaller than the sum of its proper divisors (37266940).

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

29813480 is a wasteful number, since it uses less digits than its factorization.

29813480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745348 (or 745344 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 29813480 is about 5460.1721584580. The cubic root of 29813480 is about 310.0779547276.

The spelling of 29813480 in words is "twenty-nine million, eight hundred thirteen thousand, four hundred eighty".