70462021 has 4 divisors (see below), whose sum is σ = 80528032. Its totient is φ = 60396012.

The previous prime is 70461997. The next prime is 70462027. The reversal of 70462021 is 12026407.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70462021 - 2²³ = 62073413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70461983 and 70462001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70462027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5032995 + ... + 5033008.

It is an arithmetic number, because the mean of its divisors is an integer number (20132008).

Almost surely, 2^70462021 is an apocalyptic number.

It is an amenable number.

70462021 is a deficient number, since it is larger than the sum of its proper divisors (10066011).

70462021 is a wasteful number, since it uses less digits than its factorization.

70462021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10066010.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 70462021 is about 8394.1658906648. The cubic root of 70462021 is about 413.0332663591.

Adding to 70462021 its reverse (12026407), we get a palindrome (82488428).

The spelling of 70462021 in words is "seventy million, four hundred sixty-two thousand, twenty-one".