670203534 has 128 divisors (see below), whose sum is σ = 1814077440. Its totient is φ = 159408000.

The previous prime is 670203517. The next prime is 670203551. The reversal of 670203534 is 435302076.

It is an interprime number because it is at equal distance from previous prime (670203517) and next prime (670203551).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 906537 + ... + 907275.

It is an arithmetic number, because the mean of its divisors is an integer number (14172480).

Almost surely, 2^670203534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670203534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907038720).

670203534 is an abundant number, since it is smaller than the sum of its proper divisors (1143873906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

670203534 is a wasteful number, since it uses less digits than its factorization.

670203534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 670203534 is about 25888.2895147594. The cubic root of 670203534 is about 875.1226098660.

The spelling of 670203534 in words is "six hundred seventy million, two hundred three thousand, five hundred thirty-four".