70540030 has 32 divisors (see below), whose sum is σ = 138928608. Its totient is φ = 25574400.

The previous prime is 70540013. The next prime is 70540033. The reversal of 70540030 is 3004507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70540033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46890 + ... + 48370.

It is an arithmetic number, because the mean of its divisors is an integer number (4341519).

Almost surely, 2^70540030 is an apocalyptic number.

70540030 is a deficient number, since it is larger than the sum of its proper divisors (68388578).

70540030 is a wasteful number, since it uses less digits than its factorization.

70540030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 70540030 is about 8398.8112254057. The cubic root of 70540030 is about 413.1856341571.

Adding to 70540030 its reverse (3004507), we get a palindrome (73544537).

The spelling of 70540030 in words is "seventy million, five hundred forty thousand, thirty".