70406619 has 8 divisors (see below), whose sum is σ = 94497792. Its totient is φ = 46626600.

The previous prime is 70406603. The next prime is 70406621. The reversal of 70406619 is 91660407.

It is a happy number.

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

It is not a de Polignac number, because 70406619 - 2⁴ = 70406603 is a prime.

It is a super-2 number, since 2×70406619² = 9914183998022322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70406619.

It is not an unprimeable number, because it can be changed into a prime (70406669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77259 + ... + 78164.

It is an arithmetic number, because the mean of its divisors is an integer number (11812224).

Almost surely, 2^70406619 is an apocalyptic number.

70406619 is a deficient number, since it is larger than the sum of its proper divisors (24091173).

70406619 is a wasteful number, since it uses less digits than its factorization.

70406619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155577.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 70406619 is about 8390.8652116453. The cubic root of 70406619 is about 412.9249864249.

The spelling of 70406619 in words is "seventy million, four hundred six thousand, six hundred nineteen".