701620040 has 64 divisors (see below), whose sum is σ = 1726272000. Its totient is φ = 254525440.

The previous prime is 701620027. The next prime is 701620061. The reversal of 701620040 is 40026107.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 701619994 and 701620021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209096 + ... + 212424.

It is an arithmetic number, because the mean of its divisors is an integer number (26973000).

Almost surely, 2^701620040 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 701620040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863136000).

701620040 is an abundant number, since it is smaller than the sum of its proper divisors (1024651960).

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

701620040 is a wasteful number, since it uses less digits than its factorization.

701620040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830 (or 3826 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 701620040 is about 26488.1112954472. Note that the first 3 decimals coincide. The cubic root of 701620040 is about 888.5884454295.

Adding to 701620040 its reverse (40026107), we get a palindrome (741646147).

The spelling of 701620040 in words is "seven hundred one million, six hundred twenty thousand, forty".