742597897947 has 16 divisors (see below), whose sum is σ = 1049473648800. Its totient is φ = 465454825472.

The previous prime is 742597897939. The next prime is 742597897949. The reversal of 742597897947 is 749798795247.

It is not a de Polignac number, because 742597897947 - 2³ = 742597897939 is a prime.

It is a super-3 number, since 3×742597897947³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (742597897949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7590822 + ... + 7688027.

It is an arithmetic number, because the mean of its divisors is an integer number (65592103050).

Almost surely, 2^742597897947 is an apocalyptic number.

742597897947 is a deficient number, since it is larger than the sum of its proper divisors (306875750853).

742597897947 is a wasteful number, since it uses less digits than its factorization.

742597897947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15279822.

The product of its digits is 2240421120, while the sum is 78.

The spelling of 742597897947 in words is "seven hundred forty-two billion, five hundred ninety-seven million, eight hundred ninety-seven thousand, nine hundred forty-seven".