74248470061 has 4 divisors (see below), whose sum is σ = 74340022624. Its totient is φ = 74156917500.

The previous prime is 74248470031. The next prime is 74248470113. The reversal of 74248470061 is 16007484247.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16007484247 = 1019 ⋅15709013.

It is a cyclic number.

It is not a de Polignac number, because 74248470061 - 2¹¹ = 74248468013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74248470031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45775065 + ... + 45776686.

It is an arithmetic number, because the mean of its divisors is an integer number (18585005656).

Almost surely, 2^74248470061 is an apocalyptic number.

It is an amenable number.

74248470061 is a deficient number, since it is larger than the sum of its proper divisors (91552563).

74248470061 is an equidigital number, since it uses as much as digits as its factorization.

74248470061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91552562.

The product of its (nonzero) digits is 301056, while the sum is 43.

The spelling of 74248470061 in words is "seventy-four billion, two hundred forty-eight million, four hundred seventy thousand, sixty-one".