70350061 has 4 divisors (see below), whose sum is σ = 72251452. Its totient is φ = 68448672.

The previous prime is 70350047. The next prime is 70350073. The reversal of 70350061 is 16005307.

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

It can be written as a sum of positive squares in 2 ways, for example, as 64561225 + 5788836 = 8035^2 + 2406^2 .

It is a cyclic number.

It is not a de Polignac number, because 70350061 - 2⁹ = 70349549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70350001) 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, 950640 + ... + 950713.

It is an arithmetic number, because the mean of its divisors is an integer number (18062863).

Almost surely, 2^70350061 is an apocalyptic number.

It is an amenable number.

70350061 is a deficient number, since it is larger than the sum of its proper divisors (1901391).

70350061 is a wasteful number, since it uses less digits than its factorization.

70350061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901390.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 70350061 is about 8387.4943219057. The cubic root of 70350061 is about 412.8143885482.

Adding to 70350061 its reverse (16005307), we get a palindrome (86355368).

The spelling of 70350061 in words is "seventy million, three hundred fifty thousand, sixty-one".