70733072 has 20 divisors (see below), whose sum is σ = 141467136. Its totient is φ = 34225440.

The previous prime is 70733071. The next prime is 70733101. The reversal of 70733072 is 27033707.

70733072 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (70733071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70808 + ... + 71799.

Almost surely, 2^70733072 is an apocalyptic number.

It is an amenable number.

70733072 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70733072 is a wasteful number, since it uses less digits than its factorization.

70733072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142646 (or 142640 counting only the distinct ones).

The product of its (nonzero) digits is 6174, while the sum is 29.

The square root of 70733072 is about 8410.2955952808. The cubic root of 70733072 is about 413.5622029967.

Adding to 70733072 its reverse (27033707), we get a palindrome (97766779).

The spelling of 70733072 in words is "seventy million, seven hundred thirty-three thousand, seventy-two".