70820748 has 18 divisors (see below), whose sum is σ = 179019204. Its totient is φ = 23606904.

The previous prime is 70820747. The next prime is 70820791. The reversal of 70820748 is 84702807.

70820748 is nontrivially palindromic in base 8.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1967243 = 70820748 / (7 + 0 + 8 + 2 + 0 + 7 + 4 + 8).

It is not an unprimeable number, because it can be changed into a prime (70820747) 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 5 ways as a sum of consecutive naturals, for example, 983586 + ... + 983657.

Almost surely, 2^70820748 is an apocalyptic number.

It is an amenable number.

70820748 is an abundant number, since it is smaller than the sum of its proper divisors (108198456).

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

70820748 is a wasteful number, since it uses less digits than its factorization.

70820748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967253 (or 1967248 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 70820748 is about 8415.5064018751. The cubic root of 70820748 is about 413.7330071547.

The spelling of 70820748 in words is "seventy million, eight hundred twenty thousand, seven hundred forty-eight".