70745030 has 16 divisors (see below), whose sum is σ = 129086784. Its totient is φ = 27910080.

The previous prime is 70745009. The next prime is 70745137. The reversal of 70745030 is 3054707.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47726 + ... + 49185.

It is an arithmetic number, because the mean of its divisors is an integer number (8067924).

Almost surely, 2^70745030 is an apocalyptic number.

70745030 is a deficient number, since it is larger than the sum of its proper divisors (58341754).

70745030 is a wasteful number, since it uses less digits than its factorization.

70745030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96991.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 70745030 is about 8411.0064796075. The cubic root of 70745030 is about 413.5855070327.

Adding to 70745030 its reverse (3054707), we get a palindrome (73799737).

It can be divided in two parts, 707 and 45030, that multiplied together give a triangular number (31836210 = T₇₉₇₉).

The spelling of 70745030 in words is "seventy million, seven hundred forty-five thousand, thirty".