52378742 has 8 divisors (see below), whose sum is σ = 84611856. Its totient is φ = 24174792.

The previous prime is 52378723. The next prime is 52378769. The reversal of 52378742 is 24787325.

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

It is a super-2 number, since 2×52378742² = 5487065227005128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52378696 and 52378705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1007258 + ... + 1007309.

It is an arithmetic number, because the mean of its divisors is an integer number (10576482).

Almost surely, 2^52378742 is an apocalyptic number.

52378742 is a deficient number, since it is larger than the sum of its proper divisors (32233114).

52378742 is a wasteful number, since it uses less digits than its factorization.

52378742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014582.

The product of its digits is 94080, while the sum is 38.

The square root of 52378742 is about 7237.3159389376. The cubic root of 52378742 is about 374.1551159595.

The spelling of 52378742 in words is "fifty-two million, three hundred seventy-eight thousand, seven hundred forty-two".