747146542 has 16 divisors (see below), whose sum is σ = 1128701952. Its totient is φ = 370920280.

The previous prime is 747146539. The next prime is 747146563. The reversal of 747146542 is 245641747.

It is a junction number, because it is equal to n+sod(n) for n = 747146495 and 747146504.

It is a congruent number.

It is an unprimeable number.

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, 245643 + ... + 248665.

It is an arithmetic number, because the mean of its divisors is an integer number (70543872).

Almost surely, 2^747146542 is an apocalyptic number.

747146542 is a deficient number, since it is larger than the sum of its proper divisors (381555410).

747146542 is a wasteful number, since it uses less digits than its factorization.

747146542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863.

The product of its digits is 188160, while the sum is 40.

The square root of 747146542 is about 27333.9814516656. The cubic root of 747146542 is about 907.4065926471.

The spelling of 747146542 in words is "seven hundred forty-seven million, one hundred forty-six thousand, five hundred forty-two".