70390352 has 10 divisors (see below), whose sum is σ = 136381338. Its totient is φ = 35195168.

The previous prime is 70390301. The next prime is 70390379. The reversal of 70390352 is 25309307.

It can be written as a sum of positive squares in only one way, i.e., 37258816 + 33131536 = 6104^2 + 5756^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2199683 + ... + 2199714.

Almost surely, 2^70390352 is an apocalyptic number.

It is an amenable number.

70390352 is a deficient number, since it is larger than the sum of its proper divisors (65990986).

70390352 is a wasteful number, since it uses less digits than its factorization.

70390352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4399405 (or 4399399 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 70390352 is about 8389.8958277204. The cubic root of 70390352 is about 412.8931827478.

Adding to 70390352 its reverse (25309307), we get a palindrome (95699659).

It can be divided in two parts, 70390 and 352, that multiplied together give a triangular number (24777280 = T₇₀₃₉).

The spelling of 70390352 in words is "seventy million, three hundred ninety thousand, three hundred fifty-two".