7740036 has 36 divisors (see below), whose sum is σ = 20292272. Its totient is φ = 2579688.

The previous prime is 7740023. The next prime is 7740037. The reversal of 7740036 is 6300477.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 7739991 and 7740009.

It is not an unprimeable number, because it can be changed into a prime (7740037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3010 + ... + 4953.

Almost surely, 2^7740036 is an apocalyptic number.

It is an amenable number.

7740036 is an abundant number, since it is smaller than the sum of its proper divisors (12552236).

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

7740036 is a wasteful number, since it uses less digits than its factorization.

7740036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7982 (or 7968 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 7740036 is about 2782.0920186076. The cubic root of 7740036 is about 197.8097345810.

The spelling of 7740036 in words is "seven million, seven hundred forty thousand, thirty-six".