70145246 has 4 divisors (see below), whose sum is σ = 105217872. Its totient is φ = 35072622.

The previous prime is 70145227. The next prime is 70145249. The reversal of 70145246 is 64254107.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70145249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17536310 + ... + 17536313.

It is an arithmetic number, because the mean of its divisors is an integer number (26304468).

Almost surely, 2^70145246 is an apocalyptic number.

70145246 is a deficient number, since it is larger than the sum of its proper divisors (35072626).

70145246 is a wasteful number, since it uses less digits than its factorization.

70145246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35072625.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 70145246 is about 8375.2758760533. The cubic root of 70145246 is about 412.4133807717.

The spelling of 70145246 in words is "seventy million, one hundred forty-five thousand, two hundred forty-six".