7040064 has 56 divisors (see below), whose sum is σ = 19149568. Its totient is φ = 2280960.

The previous prime is 7040063. The next prime is 7040081. The reversal of 7040064 is 4600407.

It is a super-2 number, since 2×7040064² = 99125002248192, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7040064.

It is not an unprimeable number, because it can be changed into a prime (7040063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6609 + ... + 7599.

Almost surely, 2^7040064 is an apocalyptic number.

7040064 is a gapful number since it is divisible by the number (74) 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 7040064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9574784).

7040064 is an abundant number, since it is smaller than the sum of its proper divisors (12109504).

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

7040064 is a wasteful number, since it uses less digits than its factorization.

7040064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043 (or 1033 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 7040064 is about 2653.3118927107. The cubic root of 7040064 is about 191.6573750589.

The spelling of 7040064 in words is "seven million, forty thousand, sixty-four".