70433361 has 32 divisors (see below), whose sum is σ = 110476800. Its totient is φ = 44226000.

The previous prime is 70433359. The next prime is 70433369. The reversal of 70433361 is 16333407.

It is a happy number.

It is not a de Polignac number, because 70433361 - 2¹ = 70433359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70433369) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128490 + ... + 129036.

It is an arithmetic number, because the mean of its divisors is an integer number (3452400).

Almost surely, 2^70433361 is an apocalyptic number.

It is an amenable number.

70433361 is a deficient number, since it is larger than the sum of its proper divisors (40043439).

70433361 is a wasteful number, since it uses less digits than its factorization.

70433361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 70433361 is about 8392.4585789863. The cubic root of 70433361 is about 412.9772591723.

Adding to 70433361 its reverse (16333407), we get a palindrome (86766768).

It can be divided in two parts, 7043 and 3361, that added together give a square (10404 = 102²).

The spelling of 70433361 in words is "seventy million, four hundred thirty-three thousand, three hundred sixty-one".