742465564247 has 64 divisors (see below), whose sum is σ = 886879521792. Its totient is φ = 614718720000.

The previous prime is 742465564231. The next prime is 742465564261.

742465564247 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 742465564247 - 2⁴ = 742465564231 is a prime.

It is a super-2 number, since 2×742465564247² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 742465564192 and 742465564201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742465564207) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74983997 + ... + 74993897.

It is an arithmetic number, because the mean of its divisors is an integer number (13857492528).

Almost surely, 2^742465564247 is an apocalyptic number.

742465564247 is a deficient number, since it is larger than the sum of its proper divisors (144413957545).

742465564247 is a wasteful number, since it uses less digits than its factorization.

742465564247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10152.

The product of its digits is 45158400, while the sum is 56.

The spelling of 742465564247 in words is "seven hundred forty-two billion, four hundred sixty-five million, five hundred sixty-four thousand, two hundred forty-seven".