742212523 has 8 divisors (see below), whose sum is σ = 841374800. Its totient is φ = 649060128.

The previous prime is 742212517. The next prime is 742212529. The reversal of 742212523 is 325212247.

It is an interprime number because it is at equal distance from previous prime (742212517) and next prime (742212529).

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 742212523 - 2⁹ = 742212011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 742212491 and 742212500.

It is not an unprimeable number, because it can be changed into a prime (742212529) 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, 1502208 + ... + 1502701.

It is an arithmetic number, because the mean of its divisors is an integer number (105171850).

Almost surely, 2^742212523 is an apocalyptic number.

742212523 is a deficient number, since it is larger than the sum of its proper divisors (99162277).

742212523 is a wasteful number, since it uses less digits than its factorization.

742212523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004941.

The product of its digits is 6720, while the sum is 28.

The square root of 742212523 is about 27243.5776468510. The cubic root of 742212523 is about 905.4047305020.

The spelling of 742212523 in words is "seven hundred forty-two million, two hundred twelve thousand, five hundred twenty-three".