70773689448 has 192 divisors, whose sum is σ = 239381176320. Its totient is φ = 18351619200.

The previous prime is 70773689447. The next prime is 70773689449. The reversal of 70773689448 is 84498637707.

It is an interprime number because it is at equal distance from previous prime (70773689447) and next prime (70773689449).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (70773689447) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3354693 + ... + 3375723.

It is an arithmetic number, because the mean of its divisors is an integer number (1246776960).

Almost surely, 2^70773689448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70773689448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119690588160).

70773689448 is an abundant number, since it is smaller than the sum of its proper divisors (168607486872).

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

70773689448 is a wasteful number, since it uses less digits than its factorization.

70773689448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21668 (or 21661 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 63.

The spelling of 70773689448 in words is "seventy billion, seven hundred seventy-three million, six hundred eighty-nine thousand, four hundred forty-eight".