26709420 has 24 divisors (see below), whose sum is σ = 74786544. Its totient is φ = 7122496.

The previous prime is 26709413. The next prime is 26709427. The reversal of 26709420 is 2490762.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (26709413) and next prime (26709427).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (26709427) 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, 222519 + ... + 222638.

It is an arithmetic number, because the mean of its divisors is an integer number (3116106).

Almost surely, 2^26709420 is an apocalyptic number.

26709420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26709420 is an abundant number, since it is smaller than the sum of its proper divisors (48077124).

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

26709420 is a wasteful number, since it uses less digits than its factorization.

26709420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445169 (or 445167 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 26709420 is about 5168.1157107789. The cubic root of 26709420 is about 298.9198936792.

It can be divided in two parts, 2670 and 9420, that added together give a triangular number (12090 = T₁₅₅).

The spelling of 26709420 in words is "twenty-six million, seven hundred nine thousand, four hundred twenty".