74563399007 has 4 divisors (see below), whose sum is σ = 74564793576. Its totient is φ = 74562004440.

The previous prime is 74563399003. The next prime is 74563399013. The reversal of 74563399007 is 70099336547.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70099336547 = 43 ⋅1630217129.

It is a cyclic number.

It is not a de Polignac number, because 74563399007 - 2² = 74563399003 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 74563399007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74563399003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613748 + ... + 725129.

It is an arithmetic number, because the mean of its divisors is an integer number (18641198394).

Almost surely, 2^74563399007 is an apocalyptic number.

74563399007 is a deficient number, since it is larger than the sum of its proper divisors (1394569).

74563399007 is a wasteful number, since it uses less digits than its factorization.

74563399007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394568.

The product of its (nonzero) digits is 4286520, while the sum is 53.

The spelling of 74563399007 in words is "seventy-four billion, five hundred sixty-three million, three hundred ninety-nine thousand, seven".