70399034280 has 224 divisors, whose sum is σ = 239946071400. Its totient is φ = 18578792448.

The previous prime is 70399034267. The next prime is 70399034281. The reversal of 70399034280 is 8243099307.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30629900196 + 39769134084 = 175014^2 + 199422^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (70399034281) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2816076 + ... + 2840964.

Almost surely, 2^70399034280 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 70399034280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119973035700).

70399034280 is an abundant number, since it is smaller than the sum of its proper divisors (169547037120).

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

70399034280 is a wasteful number, since it uses less digits than its factorization.

70399034280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25015 (or 24996 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 70399034280 in words is "seventy billion, three hundred ninety-nine million, thirty-four thousand, two hundred eighty".