70390534 has 8 divisors (see below), whose sum is σ = 110176560. Its totient is φ = 33665016.

The previous prime is 70390531. The next prime is 70390543. The reversal of 70390534 is 43509307.

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

It is a junction number, because it is equal to n+sod(n) for n = 70390496 and 70390505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70390531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765069 + ... + 765160.

It is an arithmetic number, because the mean of its divisors is an integer number (13772070).

Almost surely, 2^70390534 is an apocalyptic number.

70390534 is a deficient number, since it is larger than the sum of its proper divisors (39786026).

70390534 is a wasteful number, since it uses less digits than its factorization.

70390534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530254.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 70390534 is about 8389.9066740936. The cubic root of 70390534 is about 412.8935386038.

The spelling of 70390534 in words is "seventy million, three hundred ninety thousand, five hundred thirty-four".