29799970748 has 24 divisors (see below), whose sum is σ = 52748745840. Its totient is φ = 14728982400.

The previous prime is 29799970589. The next prime is 29799970777. The reversal of 29799970748 is 84707999792.

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, 2022215 + ... + 2036897.

It is an arithmetic number, because the mean of its divisors is an integer number (2197864410).

Almost surely, 2^29799970748 is an apocalyptic number.

It is an amenable number.

29799970748 is a deficient number, since it is larger than the sum of its proper divisors (22948775092).

29799970748 is a wasteful number, since it uses less digits than its factorization.

29799970748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20477 (or 20475 counting only the distinct ones).

The product of its (nonzero) digits is 144027072, while the sum is 71.

The spelling of 29799970748 in words is "twenty-nine billion, seven hundred ninety-nine million, nine hundred seventy thousand, seven hundred forty-eight".