42051470 has 8 divisors (see below), whose sum is σ = 75692664. Its totient is φ = 16820584.

The previous prime is 42051467. The next prime is 42051487. The reversal of 42051470 is 7415024.

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

It is a super-2 number, since 2×42051470² = 3536652258321800, 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 3 ways as a sum of consecutive naturals, for example, 2102564 + ... + 2102583.

It is an arithmetic number, because the mean of its divisors is an integer number (9461583).

Almost surely, 2^42051470 is an apocalyptic number.

42051470 is a deficient number, since it is larger than the sum of its proper divisors (33641194).

42051470 is a wasteful number, since it uses less digits than its factorization.

42051470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4205154.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 42051470 is about 6484.7104792735. The cubic root of 42051470 is about 347.7445994548.

Adding to 42051470 its reverse (7415024), we get a palindrome (49466494).

The spelling of 42051470 in words is "forty-two million, fifty-one thousand, four hundred seventy".