70219390 has 8 divisors (see below), whose sum is σ = 126394920. Its totient is φ = 28087752.

The previous prime is 70219361. The next prime is 70219393. The reversal of 70219390 is 9391207.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70219393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3510960 + ... + 3510979.

It is an arithmetic number, because the mean of its divisors is an integer number (15799365).

Almost surely, 2^70219390 is an apocalyptic number.

70219390 is a deficient number, since it is larger than the sum of its proper divisors (56175530).

70219390 is a wasteful number, since it uses less digits than its factorization.

70219390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7021946.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 70219390 is about 8379.7010686539. The cubic root of 70219390 is about 412.5586375167.

The spelling of 70219390 in words is "seventy million, two hundred nineteen thousand, three hundred ninety".