70740700340 has 48 divisors (see below), whose sum is σ = 152774840064. Its totient is φ = 27494640000.

The previous prime is 70740700319. The next prime is 70740700343. The reversal of 70740700340 is 4300704707.

It is a happy number.

It is a super-2 number, since 2×70740700340² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70740700297 and 70740700306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70740700343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492095 + ... + 619385.

It is an arithmetic number, because the mean of its divisors is an integer number (3182809168).

Almost surely, 2^70740700340 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 70740700340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76387420032).

70740700340 is an abundant number, since it is smaller than the sum of its proper divisors (82034139724).

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

70740700340 is a wasteful number, since it uses less digits than its factorization.

70740700340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128088 (or 128086 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 32.

The spelling of 70740700340 in words is "seventy billion, seven hundred forty million, seven hundred thousand, three hundred forty".