70403760 has 240 divisors, whose sum is σ = 275845440. Its totient is φ = 15759360.

The previous prime is 70403741. The next prime is 70403777. The reversal of 70403760 is 6730407.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 307326 + ... + 307554.

It is an arithmetic number, because the mean of its divisors is an integer number (1149356).

Almost surely, 2^70403760 is an apocalyptic number.

70403760 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70403760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137922720).

70403760 is an abundant number, since it is smaller than the sum of its proper divisors (205441680).

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

70403760 is a wasteful number, since it uses less digits than its factorization.

70403760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 70403760 is about 8390.6948460780. The cubic root of 70403760 is about 412.9193971373.

The spelling of 70403760 in words is "seventy million, four hundred three thousand, seven hundred sixty".