29672740 has 12 divisors (see below), whose sum is σ = 62312796. Its totient is φ = 11869088.

The previous prime is 29672729. The next prime is 29672767. The reversal of 29672740 is 4727692.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6843456 + 22829284 = 2616^2 + 4778^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 29672740.

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, 741799 + ... + 741838.

It is an arithmetic number, because the mean of its divisors is an integer number (5192733).

Almost surely, 2^29672740 is an apocalyptic number.

29672740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29672740 is an abundant number, since it is smaller than the sum of its proper divisors (32640056).

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

29672740 is a wasteful number, since it uses less digits than its factorization.

29672740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483646 (or 1483644 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 29672740 is about 5447.2690405377. The cubic root of 29672740 is about 309.5892583079.

The spelling of 29672740 in words is "twenty-nine million, six hundred seventy-two thousand, seven hundred forty".