742518070 has 48 divisors (see below), whose sum is σ = 1559355840. Its totient is φ = 253822464.

The previous prime is 742518041. The next prime is 742518089. The reversal of 742518070 is 70815247.

It is a happy number.

742518070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177766 + ... + 181894.

It is an arithmetic number, because the mean of its divisors is an integer number (32486580).

Almost surely, 2^742518070 is an apocalyptic number.

742518070 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

742518070 is an abundant number, since it is smaller than the sum of its proper divisors (816837770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

742518070 is a wasteful number, since it uses less digits than its factorization.

742518070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4517 (or 4510 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 742518070 is about 27249.1847584474. The cubic root of 742518070 is about 905.5289562628.

The spelling of 742518070 in words is "seven hundred forty-two million, five hundred eighteen thousand, seventy".