42070401 has 16 divisors (see below), whose sum is σ = 62822400. Its totient is φ = 27823824.

The previous prime is 42070397. The next prime is 42070421. The reversal of 42070401 is 10407024.

It is a happy number.

It is not a de Polignac number, because 42070401 - 2² = 42070397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42070421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2706 + ... + 9563.

It is an arithmetic number, because the mean of its divisors is an integer number (3926400).

Almost surely, 2^42070401 is an apocalyptic number.

It is an amenable number.

42070401 is a deficient number, since it is larger than the sum of its proper divisors (20751999).

42070401 is a wasteful number, since it uses less digits than its factorization.

42070401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12405 (or 12399 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 42070401 is about 6486.1699792713. The cubic root of 42070401 is about 347.7967749228.

Adding to 42070401 its reverse (10407024), we get a palindrome (52477425).

The spelling of 42070401 in words is "forty-two million, seventy thousand, four hundred one".