519072742 has 32 divisors (see below), whose sum is σ = 855705600. Its totient is φ = 235224000.

The previous prime is 519072727. The next prime is 519072767. The reversal of 519072742 is 247270915.

It is a super-2 number, since 2×519072742² = 538873022974797128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102367 + ... + 107317.

It is an arithmetic number, because the mean of its divisors is an integer number (26740800).

Almost surely, 2^519072742 is an apocalyptic number.

519072742 is a deficient number, since it is larger than the sum of its proper divisors (336632858).

519072742 is a wasteful number, since it uses less digits than its factorization.

519072742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5092.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 519072742 is about 22783.1679535573. The cubic root of 519072742 is about 803.6668865408. Note that the first 3 decimals are identical.

The spelling of 519072742 in words is "five hundred nineteen million, seventy-two thousand, seven hundred forty-two".