10720078 has 4 divisors (see below), whose sum is σ = 16080120. Its totient is φ = 5360038.

The previous prime is 10720069. The next prime is 10720091. The reversal of 10720078 is 87002701.

It is a happy number.

10720078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×10720078² = 229840144652168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2680018 + ... + 2680021.

It is an arithmetic number, because the mean of its divisors is an integer number (4020030).

Almost surely, 2^10720078 is an apocalyptic number.

10720078 is a deficient number, since it is larger than the sum of its proper divisors (5360042).

10720078 is an equidigital number, since it uses as much as digits as its factorization.

10720078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5360041.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 10720078 is about 3274.1530202481. The cubic root of 10720078 is about 220.4952890707.

Adding to 10720078 its reverse (87002701), we get a palindrome (97722779).

The spelling of 10720078 in words is "ten million, seven hundred twenty thousand, seventy-eight".