742524157 has 8 divisors (see below), whose sum is σ = 775221696. Its totient is φ = 709861152.

The previous prime is 742524137. The next prime is 742524163. The reversal of 742524157 is 751425247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-742524157 is a prime.

It is a super-5 number, since 5×742524157⁵ (a number of 46 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742524127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41598 + ... + 56704.

It is an arithmetic number, because the mean of its divisors is an integer number (96902712).

Almost surely, 2^742524157 is an apocalyptic number.

It is an amenable number.

742524157 is a deficient number, since it is larger than the sum of its proper divisors (32697539).

742524157 is a wasteful number, since it uses less digits than its factorization.

742524157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17267.

The product of its digits is 78400, while the sum is 37.

The square root of 742524157 is about 27249.2964496333. The cubic root of 742524157 is about 905.5314306985.

The spelling of 742524157 in words is "seven hundred forty-two million, five hundred twenty-four thousand, one hundred fifty-seven".