70003400 has 48 divisors (see below), whose sum is σ = 166747140. Its totient is φ = 27315200.

The previous prime is 70003393. The next prime is 70003457. The reversal of 70003400 is 430007.

It can be written as a sum of positive squares in 6 ways, for example, as 21031396 + 48972004 = 4586^2 + 6998^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3932 + ... + 12468.

Almost surely, 2^70003400 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 70003400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83373570).

70003400 is an abundant number, since it is smaller than the sum of its proper divisors (96743740).

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

70003400 is a wasteful number, since it uses less digits than its factorization.

70003400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8594 (or 8585 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 70003400 is about 8366.8034517371. The cubic root of 70003400 is about 412.1352024300.

Adding to 70003400 its reverse (430007), we get a palindrome (70433407).

The spelling of 70003400 in words is "seventy million, three thousand, four hundred".