7061400 has 72 divisors (see below), whose sum is σ = 23720580. Its totient is φ = 1882560.

The previous prime is 7061399. The next prime is 7061401. The reversal of 7061400 is 41607.

It is an interprime number because it is at equal distance from previous prime (7061399) and next prime (7061401).

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7061401) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 162 + ... + 3761.

Almost surely, 2^7061400 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 7061400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11860290).

7061400 is an abundant number, since it is smaller than the sum of its proper divisors (16659180).

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

7061400 is a wasteful number, since it uses less digits than its factorization.

7061400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945 (or 3933 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 7061400 is about 2657.3294865334. The cubic root of 7061400 is about 191.8507955406.

The spelling of 7061400 in words is "seven million, sixty-one thousand, four hundred".