26947470 has 64 divisors (see below), whose sum is σ = 72493056. Its totient is φ = 6353280.

The previous prime is 26947469. The next prime is 26947471. The reversal of 26947470 is 7474962.

It is an interprime number because it is at equal distance from previous prime (26947469) and next prime (26947471).

It is a super-2 number, since 2×26947470² = 1452332278801800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26947471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11107 + ... + 13313.

It is an arithmetic number, because the mean of its divisors is an integer number (1132704).

Almost surely, 2^26947470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26947470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36246528).

26947470 is an abundant number, since it is smaller than the sum of its proper divisors (45545586).

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

26947470 is a wasteful number, since it uses less digits than its factorization.

26947470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 26947470 is about 5191.0952601546. The cubic root of 26947470 is about 299.8053181350.

The spelling of 26947470 in words is "twenty-six million, nine hundred forty-seven thousand, four hundred seventy".