74821616929 has 8 divisors (see below), whose sum is σ = 76602613472. Its totient is φ = 73042482240.

The previous prime is 74821616927. The next prime is 74821616951. The reversal of 74821616929 is 92961612847.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74821616929 - 2¹ = 74821616927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74821616929.

It is not an unprimeable number, because it can be changed into a prime (74821616921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383967 + ... + 545044.

It is an arithmetic number, because the mean of its divisors is an integer number (9575326684).

Almost surely, 2^74821616929 is an apocalyptic number.

It is an amenable number.

74821616929 is a deficient number, since it is larger than the sum of its proper divisors (1780996543).

74821616929 is a wasteful number, since it uses less digits than its factorization.

74821616929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930927.

The product of its digits is 2612736, while the sum is 55.

The spelling of 74821616929 in words is "seventy-four billion, eight hundred twenty-one million, six hundred sixteen thousand, nine hundred twenty-nine".