70420001 has 16 divisors (see below), whose sum is σ = 77511168. Its totient is φ = 63705600.

The previous prime is 70419989. The next prime is 70420027. The reversal of 70420001 is 10002407.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 70420001 - 2¹⁰ = 70418977 is a prime.

It is a super-3 number, since 3×70420001³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70420201) 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, 48776 + ... + 50198.

It is an arithmetic number, because the mean of its divisors is an integer number (4844448).

Almost surely, 2^70420001 is an apocalyptic number.

70420001 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

70420001 is a deficient number, since it is larger than the sum of its proper divisors (7091167).

70420001 is a wasteful number, since it uses less digits than its factorization.

70420001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 70420001 is about 8391.6625885458. The cubic root of 70420001 is about 412.9511459546.

Adding to 70420001 its reverse (10002407), we get a palindrome (80422408).

The spelling of 70420001 in words is "seventy million, four hundred twenty thousand, one".