742412515 has 32 divisors (see below), whose sum is σ = 1004000256. Its totient is φ = 522910080.

The previous prime is 742412513. The next prime is 742412527. The reversal of 742412515 is 515214247.

It is not a de Polignac number, because 742412515 - 2¹ = 742412513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742412513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 942952 + ... + 943738.

It is an arithmetic number, because the mean of its divisors is an integer number (31375008).

Almost surely, 2^742412515 is an apocalyptic number.

742412515 is a deficient number, since it is larger than the sum of its proper divisors (261587741).

742412515 is a wasteful number, since it uses less digits than its factorization.

742412515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459.

The product of its digits is 11200, while the sum is 31.

The square root of 742412515 is about 27247.2478426721. The cubic root of 742412515 is about 905.4860447869.

The spelling of 742412515 in words is "seven hundred forty-two million, four hundred twelve thousand, five hundred fifteen".